Programme, U. N. E. (2013). Water Hyacinth - Can its Aggressive Invasion be Controlled?: UNEP Global Environmental Alert Service (GEAS) - April 2013.
Chicago Style (17th ed.) CitationProgramme, United Nations Environment. Water Hyacinth - Can Its Aggressive Invasion Be Controlled?: UNEP Global Environmental Alert Service (GEAS) - April 2013. 2013.
MLA (8th ed.) CitationProgramme, United Nations Environment. Water Hyacinth - Can Its Aggressive Invasion Be Controlled?: UNEP Global Environmental Alert Service (GEAS) - April 2013. 2013.
IICA/CATIE CitationProgramme, U. N. E. 2013. Water Hyacinth - Can its Aggressive Invasion be Controlled?: UNEP Global Environmental Alert Service (GEAS) - April 2013.