Dyfyniad APA

Doyle, T. (2001). Environment and politics (2nd ed.). Routledge.

Dyfyniad Arddull Chicago

Doyle, Timothy. Environment and Politics. 2nd ed. London: Routledge, 2001.

Dyfyniad MLA

Doyle, Timothy. Environment and Politics. 2nd ed. Routledge, 2001.

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