Dyfyniad APA

Pojeta, J., & Gilbert-Tomlinson, J. (1977). Australian Ordovician pelecypod molluscs. Australian Govt. Pub. Service.

Dyfyniad Arddull Chicago

Pojeta, John, and Joyce Gilbert-Tomlinson. Australian Ordovician Pelecypod Molluscs. Canberra: Australian Govt. Pub. Service, 1977.

Dyfyniad MLA

Pojeta, John, and Joyce Gilbert-Tomlinson. Australian Ordovician Pelecypod Molluscs. Australian Govt. Pub. Service, 1977.

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