APA aipamena

Twidale, C. R., & Foale, M. R. (1969). Landforms illustrated. Thomas Nelson (Australia).

Chicago Style aipamena

Twidale, C. R., and M. R. Foale. Landforms Illustrated. Melbourne, Vic.: Thomas Nelson (Australia), 1969.

MLA aipamena

Twidale, C. R., and M. R. Foale. Landforms Illustrated. Thomas Nelson (Australia), 1969.