APA استشهاد

Smith, E. L. (1983). Principles of biochemistry: General aspects (7 ed.). McGraw-Hill Book Co..

استشهاد بنمط شيكاغو

Smith, Emil L. Principles of Biochemistry: General Aspects. 7 ed. Auckland: McGraw-Hill Book Co., 1983.

MLA استشهاد

Smith, Emil L. Principles of Biochemistry: General Aspects. 7 ed. McGraw-Hill Book Co., 1983.