Dyfyniad APA

Bloom, A. L. (1991). Geomorphology: A systematic analysis of late cenozoic landforms (2nd.ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Bloom, Arthur L. Geomorphology: A Systematic Analysis of Late Cenozoic Landforms. 2nd.ed. Englewood Cliffs: Prentice Hall, 1991.

Dyfyniad MLA

Bloom, Arthur L. Geomorphology: A Systematic Analysis of Late Cenozoic Landforms. 2nd.ed. Prentice Hall, 1991.

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