APA aipamena

McKnight, T. L., & Hess, D. Physical geography: A landscape appreciation (6a ed.).

Chicago Style aipamena

McKnight, Tom L., and Darrel Hess. Physical Geography: A Landscape Appreciation. 6a ed.

MLA aipamena

McKnight, Tom L., and Darrel Hess. Physical Geography: A Landscape Appreciation. 6a ed.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.