APA (7. basım) Alıntı

Delvin, S. (2007). environmental problems and issues. Sarup.

Chicago Style (17. basım) Atıf

Delvin, Samuel. Environmental Problems and Issues. New Delhi: Sarup, 2007.

MLA (9th ed.) Atıf

Delvin, Samuel. Environmental Problems and Issues. Sarup, 2007.