World Environmental and Water Resources Congress Providence, R.I., Environmental and Water Resources Institute (U.S.), ebrary, Inc, & Palmer, R. N. (2010). World environmental and water resources congress 2010: Challenges of change : proceedings of the congress : May 16-20, 2010, Providence, Rhode Island. ASCE.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Environmental and Water Resources Congress Providence, R.I., Environmental and Water Resources Institute (U.S.), Inc ebrary, και Richard N. Palmer. World Environmental and Water Resources Congress 2010: Challenges of Change : Proceedings of the Congress : May 16-20, 2010, Providence, Rhode Island. Reston, Va.: ASCE, 2010.
Παραπομπή σε μορφή MLA (9th εκδ.)World Environmental and Water Resources Congress Providence, R.I., et al. World Environmental and Water Resources Congress 2010: Challenges of Change : Proceedings of the Congress : May 16-20, 2010, Providence, Rhode Island. ASCE, 2010.