APA aipamena

Strahler, A. H., & Strahler, A. N. (2003). Introducing physical geography (Third ed.). New York: Wiley.

Chicago Style aipamena

Strahler, Alan H., và Arthur Newell Strahler. Introducing Physical Geography. Third ed. New York: Wiley, 2003.

MLA aipamena

Strahler, Alan H., và Arthur Newell Strahler. Introducing Physical Geography. Third ed. New York: Wiley, 2003.