Dyfyniad APA

Allen, P. A., & Allen, J. R. (1990). Basin analysis: Principles and applications. Blackwell Science Ltd.

Dyfyniad Arddull Chicago

Allen, Philip A., and John R. Allen. Basin Analysis: Principles and Applications. Oxford: Blackwell Science Ltd, 1990.

Dyfyniad MLA

Allen, Philip A., and John R. Allen. Basin Analysis: Principles and Applications. Blackwell Science Ltd, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.