Dyfyniad APA

S A Asdell. (1946). Patterns of mammalian reproduction. Comstook publishing.

Dyfyniad Arddull Chicago

S A Asdell. Patterns of Mammalian Reproduction. Comstook publishing, 1946.

Dyfyniad MLA

S A Asdell. Patterns of Mammalian Reproduction. Comstook publishing, 1946.

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