Dyfyniad APA
Gerald, M. C. (1981). Pharmacology, an introduction to drugs (2nd ed.). Prentice-Hall.
Dyfyniad Arddull Chicago
Gerald, Michael C. Pharmacology, an Introduction to Drugs. 2nd ed. Englewood Cliffs, N.J.: Prentice-Hall, 1981.
Dyfyniad MLA
Gerald, Michael C. Pharmacology, an Introduction to Drugs. 2nd ed. Prentice-Hall, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.