Dyfyniad APA
Hill, J. W., Baum, S. J., & Feigl, D. M. An introduction to general, organic, and biological chemistry (4th ed.). Macmillan.
Dyfyniad Arddull Chicago
Hill, John W., Stuart J. Baum, and Dorothy M. Feigl. An Introduction to General, Organic, and Biological Chemistry. 4th ed. New York: Macmillan.
Dyfyniad MLA
Hill, John W., et al. An Introduction to General, Organic, and Biological Chemistry. 4th ed. Macmillan.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.