APA (7. basım) Alıntı

David, W. (1984). Environmental effects of watershed modifications. Philippine Institute for Development Studies.

Chicago Style (17. basım) Atıf

David, Wilfrido. Environmental Effects of Watershed Modifications. Makati, Metro Manila: Philippine Institute for Development Studies, 1984.

MLA (9th ed.) Atıf

David, Wilfrido. Environmental Effects of Watershed Modifications. Philippine Institute for Development Studies, 1984.