APA aipamena

Strahler, A. H. (2005). Introducing physical geography. J. Wiley.

Chicago Style aipamena

Strahler, Alan H. Introducing Physical Geography. J. Wiley, 2005.

MLA aipamena

Strahler, Alan H. Introducing Physical Geography. J. Wiley, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.