APA (7. basım) Alıntı

United Nations Environment Programme & UNEP. Global Environment Outlook 4: Evironment for development. GEO-4: evironment for development.

Chicago Style (17. basım) Atıf

United Nations Environment Programme ve UNEP. Global Environment Outlook 4: Evironment for Development. GEO-4: Evironment for Development. UNEP. EARTHSCAN.

MLA (9th ed.) Atıf

United Nations Environment Programme ve UNEP. Global Environment Outlook 4: Evironment for Development. GEO-4: Evironment for Development.

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