APA aipamena

Pianka,Eric R. (1974). Evolutinary ecology. Harper& Row.

Chicago Style aipamena

Pianka,Eric R. Evolutinary Ecology. London: Harper& Row, 1974.

MLA aipamena

Pianka,Eric R. Evolutinary Ecology. Harper& Row, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.