United Nations Environment Programme & United Nations Environment Programme. Mediterranean Action Plan. (1999). Conceptual framework and planning guidelines for integrated coastal area and river basin management. UNEP.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Environment Programme και United Nations Environment Programme. Mediterranean Action Plan. Conceptual Framework and Planning Guidelines for Integrated Coastal Area and River Basin Management. [χ.τ.]: UNEP, 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations Environment Programme και United Nations Environment Programme. Mediterranean Action Plan. Conceptual Framework and Planning Guidelines for Integrated Coastal Area and River Basin Management. UNEP, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.