Dyfyniad APA
Bettelheim, F. A., & March, J. (1988). Introduction to general, organic & biochemistry (2nd ed.). Saunders.
Dyfyniad Arddull Chicago
Bettelheim, Fredrick A., and Jerry March. Introduction to General, Organic & Biochemistry. 2nd ed. New York: Saunders, 1988.
Dyfyniad MLA
Bettelheim, Fredrick A., and Jerry March. Introduction to General, Organic & Biochemistry. 2nd ed. Saunders, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.