Rooftop Gardens 2016, accessed 3 August 2016, <http://www.greenroofs.org/index.php/about/greenroofbenefits>.
Lauren, L n.d., Rooftop garden, Photograph, LT, accessed 5 August 2016, <http://www.laurensthoughts.com/>.
Roof top 2016, Photograph, Eco Citizen, accessed 3 August 2016, <http://www.ecocitizenaustralia.com.au/contact-us/>.
Geiger, OW Natural Building Blog 2016, Rooftop Gardens, Photograph, Natural Building Blog, accessed 3 August 2016, <http://www.naturalbuildingblog.com/rooftop-gardens-healthy-food-cities/>.
Fenton, LF Loulia Fenton 2012, Rooftop Gardens, Photograph, The Cristian Science Monitor, accessed 3 August 2016, <http://www.csmonitor.com/World/Making-a-difference/Change-Agent/2012/0822/An-urban-gardening-project-greens-Johannesburg-rooftops>.
Rooftop Garden 2016, Phototgraph, Noble Rot, accessed 3 August 2016, <http://www.noblerotpdx.com/web/garden>.
Rooftop Garden 2016, Phototgraph, Pelfind, accessed 3 August 2016, <http://pelfind.me/photo-collection/163628/find-ideas-to-arrange-a-garden-on-your-roof>.
Rooftop Garden 2016, Phototgraph, The Self Sufficient, accessed 3 August 2016, <http://theselfsufficientliving.com/roof-top-garden-ideas-and-designs/>.
Vertical Garden 2016, Photograpgh, Goods Home Design, accessed 4 August 2016, <http://www.goodshomedesign.com/20-vertical-vegetable-garden-ideas/>.
Vertical Garden 2016, Photograpgh, Igardening.info, accessed 4 August 2016, <http://gardenious.com/vertical-vegetable-gardening/>.
Rooftop Gardens 2016, accessed 4 August 2016, <http://environment.nationalgeographic.com.au/environment/sustainable-earth/11-of-the-fastest-growing-green-jobs/#/rio-20-green-jobs-roof-top-garden_55050_600x450.jpg>.
Rooftop Gardens 2016, accessed 4 August 2016, <http://gardentherapy.ca/edible-rooftop-garden/>.
Gardening Know How 2016, Creating your own rooftop garden, accessed 4 August 2016, <http://www.gardeningknowhow.com/special/urban/creating-your-own-rooftop-garden.htm>.
Gardening Know How 2016, Creating your own rooftop garden, accessed 5 August 2016, <http://www.gardeningknowhow.com/special/urban/creating-your-own-rooftop-garden.htm>.