APA aipamena

Birot, P., & Ledesert, M. (1966). General physical geography. George Harrap.

Chicago Style aipamena

Birot, Pierre, and Margaret Ledesert. General Physical Geography. London: George Harrap, 1966.

MLA aipamena

Birot, Pierre, and Margaret Ledesert. General Physical Geography. George Harrap, 1966.