APA (7. basım) Alıntı

Denton, P. (1996). world wide fund for nature. Orient Longman.

Chicago Style (17. basım) Atıf

Denton, Peter. World Wide Fund for Nature. Hyderabad: Orient Longman, 1996.

MLA (9th ed.) Atıf

Denton, Peter. World Wide Fund for Nature. Orient Longman, 1996.