APA Citation

Turk, J. (1985). An introduction to environmental studies. Philadelphia: Saunders.

Trích dẫn kiểu Chicago

Turk, Jonathan. An Introduction to Environmental Studies. Philadelphia: Saunders, 1985.

MLA Citation

Turk, Jonathan. An Introduction to Environmental Studies. Philadelphia: Saunders, 1985.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.