World Environmental and Water Resources Congress Palm Springs, Calif, Environmental & Water Resources Institute, Beighley, R. E., & Killgore, M. W. (2011). World Environmental and Water Resources Congress 2011: Bearing knowledge for sustainability : proceedings of the 2011 Congress, May 22-26, 2011, Palm Springs, California. ASCE.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Environmental and Water Resources Congress Palm Springs, Calif, Environmental & Water Resources Institute, R. Edward Beighley, και Mark W. Killgore. World Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability : Proceedings of the 2011 Congress, May 22-26, 2011, Palm Springs, California. Reston, VA: ASCE, 2011.
Παραπομπή σε μορφή MLA (9th εκδ.)World Environmental and Water Resources Congress Palm Springs, Calif, et al. World Environmental and Water Resources Congress 2011: Bearing Knowledge for Sustainability : Proceedings of the 2011 Congress, May 22-26, 2011, Palm Springs, California. ASCE, 2011.