Dyfyniad APA

Horton, H. R. (2006). Principles of biochemistry (Fourth edition.). Pearson/Prentice Hall.

Dyfyniad Arddull Chicago

Horton, H. Robert. Principles of Biochemistry. Fourth edition. Upper Saddle River, NJ: Pearson/Prentice Hall, 2006.

Dyfyniad MLA

Horton, H. Robert. Principles of Biochemistry. Fourth edition. Pearson/Prentice Hall, 2006.

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