APA aipamena

Gerrard,John. (1992). Soil geomorphology: An integration of pedology and geomorphology. Chapman & Hall.

Chicago Style aipamena

Gerrard,John. Soil Geomorphology: An Integration of Pedology and Geomorphology. London: Chapman & Hall, 1992.

MLA aipamena

Gerrard,John. Soil Geomorphology: An Integration of Pedology and Geomorphology. Chapman & Hall, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.