APA استشهاد

Smith, E. L. (1985). Principles of biochemistry: General aspects (7th ed.). McGraw-Hill.

استشهاد بنمط شيكاغو

Smith, Emil L. Principles of Biochemistry: General Aspects. 7th ed. Auckland: McGraw-Hill, 1985.

MLA استشهاد

Smith, Emil L. Principles of Biochemistry: General Aspects. 7th ed. McGraw-Hill, 1985.