Dyfyniad APA

Bettelheim, F. A. (2007). Introduction to general, organic, and biochemistry (8th ed.). Thomson Brooks/Cole.

Dyfyniad Arddull Chicago

Bettelheim, Frederick A. Introduction to General, Organic, and Biochemistry. 8th ed. Belmont, CA: Thomson Brooks/Cole, 2007.

Dyfyniad MLA

Bettelheim, Frederick A. Introduction to General, Organic, and Biochemistry. 8th ed. Thomson Brooks/Cole, 2007.

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