(2012). Guidelines on waterproofing for rooftop greenery. Centre for Urban Greenery & Ecology.
Cita Chicago (17th ed.)Guidelines on Waterproofing for Rooftop Greenery. Singapore: Centre for Urban Greenery & Ecology, 2012.
Cita MLA (9th ed.)Guidelines on Waterproofing for Rooftop Greenery. Centre for Urban Greenery & Ecology, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.