APA (7. basım) Alıntı
United Nations Environment Programme. (1980). Directory of Wetlands of International Importance in the Western Palearctic. IUCN.
Chicago Style (17. basım) Atıf
United Nations Environment Programme. Directory of Wetlands of International Importance in the Western Palearctic. Gland: IUCN, 1980.
MLA (9th ed.) Atıf
United Nations Environment Programme. Directory of Wetlands of International Importance in the Western Palearctic. IUCN, 1980.
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