Dyfyniad APA

ebrary, Inc, Ip, W., & Duldig, M. (2007). Advances in geosciences. World Scientific.

Dyfyniad Arddull Chicago

ebrary, Inc, W.-H Ip, and M. Duldig. Advances in Geosciences. Hackensack, N.J.: World Scientific, 2007.

Dyfyniad MLA

ebrary, Inc, et al. Advances in Geosciences. World Scientific, 2007.

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