Dyfyniad APA

ebrary, Inc, & Calladine, C. R. (2004). Understanding DNA: The molecule & how it works (3rd ed.). Elsevier Academic Press.

Dyfyniad Arddull Chicago

ebrary, Inc, and C. R. Calladine. Understanding DNA: The Molecule & How It Works. 3rd ed. Amsterdam ; London: Elsevier Academic Press, 2004.

Dyfyniad MLA

ebrary, Inc, and C. R. Calladine. Understanding DNA: The Molecule & How It Works. 3rd ed. Elsevier Academic Press, 2004.

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