Dyfyniad APA

U. S. Fish and Wildlife Service. (1970). National Shellfisheries Association. (Proceedings of the). U. S. Dept. of the Interior.

Dyfyniad Arddull Chicago

U. S. Fish and Wildlife Service. National Shellfisheries Association. (Proceedings of the). Washington, Fish and Wildlife Service: U. S. Dept. of the Interior, 1970.

Dyfyniad MLA

U. S. Fish and Wildlife Service. National Shellfisheries Association. (Proceedings of the). U. S. Dept. of the Interior, 1970.

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