Dyfyniad APA

Kennedy, W., & Juignet, P. (1983). A revision of the ammonite faunas of the type Cenomanian. i. Introduction, ancyloceratina.

Dyfyniad Arddull Chicago

Kennedy, W., and P. Juignet. A Revision of the Ammonite Faunas of the Type Cenomanian. I. Introduction, Ancyloceratina. 1983.

Dyfyniad MLA

Kennedy, W., and P. Juignet. A Revision of the Ammonite Faunas of the Type Cenomanian. I. Introduction, Ancyloceratina. 1983.

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