Dyfyniad APA

Bettelheim, F. A. (1998). Introduction to organic and biochemistry. Saunders College pub.

Dyfyniad Arddull Chicago

Bettelheim, F A. Introduction to Organic and Biochemistry. USA: Saunders College pub, 1998.

Dyfyniad MLA

Bettelheim, F A. Introduction to Organic and Biochemistry. Saunders College pub, 1998.

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