(2000). Water hyacinth in Africa and the Middle East: A survey of problems and solutions. International Development Research Centre.
Chicago-Zitierstil (17. Ausg.)Water Hyacinth in Africa and the Middle East: A Survey of Problems and Solutions. Ottawa: International Development Research Centre, 2000.
MLA-Zitierstil (9. Ausg.)Water Hyacinth in Africa and the Middle East: A Survey of Problems and Solutions. International Development Research Centre, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.