APA aipamena

Calvert, P. C. (1999). The South the North and the environment. Pinter.

Chicago Style aipamena

Calvert, Peter Calvert. The South the North and the Environment. London: Pinter, 1999.

MLA aipamena

Calvert, Peter Calvert. The South the North and the Environment. Pinter, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.