Dyfyniad APA

Horton, H. R. (2006). Principles of biochemistry (4th ed.). Pearson.

Dyfyniad Arddull Chicago

Horton, H. Robert. Principles of Biochemistry. 4th ed. Upper Saddle River, NJ: Pearson, 2006.

Dyfyniad MLA

Horton, H. Robert. Principles of Biochemistry. 4th ed. Pearson, 2006.

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