APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.