APA استشهاد

Nelson , L. (2000). Principles of biochemistry (3rd ed.). Worth Publishers.

استشهاد بنمط شيكاغو

Nelson , Lehninger. Principles of Biochemistry. 3rd ed. USA: Worth Publishers, 2000.

MLA استشهاد

Nelson , Lehninger. Principles of Biochemistry. 3rd ed. Worth Publishers, 2000.