APA (7th ed.) Zitazioa

PETTS, G. B. (1985). Rivers and landscape. Edward Arnold.

Chicago Style (17th ed.) Zitazioa

PETTS, Geoffry B. Rivers and Landscape. London: Edward Arnold, 1985.

MLA (9th ed.) Zitazioa

PETTS, Geoffry B. Rivers and Landscape. Edward Arnold, 1985.