APA استشهاد

Smith, E. L., & Smith , L. e. (1978). Principles of biochemistry: General aspects (7th ed.). McGraw - hill book company.

استشهاد بنمط شيكاغو

Smith, Emil L., و L etal Smith. Principles of Biochemistry: General Aspects. 7th ed. New Delhi: McGraw - hill book company, 1978.

MLA استشهاد

Smith, Emil L., و L etal Smith. Principles of Biochemistry: General Aspects. 7th ed. McGraw - hill book company, 1978.