Dyfyniad APA

Moreau, P., Francis, I., & Kennedy, W. (1983). Cenomanian ammonites from northern aquitaine.

Dyfyniad Arddull Chicago

Moreau, P., I. Francis, and W. Kennedy. Cenomanian Ammonites from Northern Aquitaine. 1983.

Dyfyniad MLA

Moreau, P., et al. Cenomanian Ammonites from Northern Aquitaine. 1983.

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