Dyfyniad APA

Brenner, R. M., Weisz, P. B., & Keogh, R. N. (1977). Study guide for Wiesz and Keogh, Elements of Biology (4th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Brenner, Robert M., Paul B. Weisz, and Richard N. Keogh. Study Guide for Wiesz and Keogh, Elements of Biology. 4th ed. New York, NY: McGraw-Hill, 1977.

Dyfyniad MLA

Brenner, Robert M., et al. Study Guide for Wiesz and Keogh, Elements of Biology. 4th ed. McGraw-Hill, 1977.

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