Tohutoro APA (7th ed.)

Allen, P. A. (1997). Earth surface processesses. Blackwell.

Tohutoru Kātū Chicago (17th ed.)

Allen, Philip A. Earth Surface Processesses. London: Blackwell, 1997.

Tohutoro MLA (9th ed.)

Allen, Philip A. Earth Surface Processesses. Blackwell, 1997.