Dyfyniad APA

White, A., & Nelson, D. L. C. (1973). Principles of biochemistry (5th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

White, Abraham, and David L. Cox Nelson. Principles of Biochemistry. 5th ed. London: McGraw-Hill, 1973.

Dyfyniad MLA

White, Abraham, and David L. Cox Nelson. Principles of Biochemistry. 5th ed. McGraw-Hill, 1973.

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