Dyfyniad APA

(2001). The environment and society reader. Allyn and Bacon.

Dyfyniad Arddull Chicago

The Environment and Society Reader. Allyn and Bacon, 2001.

Dyfyniad MLA

The Environment and Society Reader. Allyn and Bacon, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.