APA (7. basım) Alıntı

Clarke, H. (1993). The impact of climate change. United Nations Environment Programme.

Chicago Style (17. basım) Atıf

Clarke, Hazel. The Impact of Climate Change. Nairobi, Kenya: United Nations Environment Programme, 1993.

MLA (9th ed.) Atıf

Clarke, Hazel. The Impact of Climate Change. United Nations Environment Programme, 1993.