Dyfyniad APA

ebrary, Inc, & Colon, M. J. (2011). Weathering: Types, processes and effects. Nova Science Publishers.

Dyfyniad Arddull Chicago

ebrary, Inc, and Matthew J. Colon. Weathering: Types, Processes and Effects. New York: Nova Science Publishers, 2011.

Dyfyniad MLA

ebrary, Inc, and Matthew J. Colon. Weathering: Types, Processes and Effects. Nova Science Publishers, 2011.

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