APA aipamena

Williams, M. A. J. (1993). Quaternary environments. Arnold.

Chicago Style aipamena

Williams, M A J. Quaternary Environments. London: Arnold, 1993.

MLA aipamena

Williams, M A J. Quaternary Environments. Arnold, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.