APA aipamena

Beazley, M. (1993). Caring for the earth: A strategy for survival. Reed International Books.

Chicago Style aipamena

Beazley, Mitchell. Caring for the Earth: A Strategy for Survival. London: Reed International Books, 1993.

MLA aipamena

Beazley, Mitchell. Caring for the Earth: A Strategy for Survival. Reed International Books, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.