Dyfyniad APA

Sherman, H. C., & Smith, S. L. (1922). The vitamins. The Chemical catalog company, inc..

Dyfyniad Arddull Chicago

Sherman, Henry C., and Sybil Laura Smith. The Vitamins. New York: The Chemical catalog company, inc., 1922.

Dyfyniad MLA

Sherman, Henry C., and Sybil Laura Smith. The Vitamins. The Chemical catalog company, inc., 1922.

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