Dyfyniad APA

Gerdes, G., & Krumbein, W. E. (1987). Lecture notes in earth sciences: Biolaminated deposits. Springer.

Dyfyniad Arddull Chicago

Gerdes, Gisela, and Wolfgang E. Krumbein. Lecture Notes in Earth Sciences: Biolaminated Deposits. New York: Springer, 1987.

Dyfyniad MLA

Gerdes, Gisela, and Wolfgang E. Krumbein. Lecture Notes in Earth Sciences: Biolaminated Deposits. Springer, 1987.

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