APA (7. basım) Alıntı

Freedman, B. (2001). Environmental science: A Canadian perspective. Prentice Hall.

Chicago Style (17. basım) Atıf

Freedman, Bill. Environmental Science: A Canadian Perspective. Toronto: Prentice Hall, 2001.

MLA (8th ed.) Atıf

Freedman, Bill. Environmental Science: A Canadian Perspective. Prentice Hall, 2001.