Dyfyniad APA

Lehninger, A. L., Nelson, D. L., & Cox, M. M. (1993). Principles of biochemistry (2nd ed.). Worth Publishers.

Dyfyniad Arddull Chicago

Lehninger, Albert L., David L. Nelson, and Michael M. Cox. Principles of Biochemistry. 2nd ed. New York, NY: Worth Publishers, 1993.

Dyfyniad MLA

Lehninger, Albert L., et al. Principles of Biochemistry. 2nd ed. Worth Publishers, 1993.

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