Irmscher, W. F. (1981). The holt guide to English (3d ed.). Holt, Rinehart and Winston.
Cita Chicago (17th ed.)Irmscher, William F. The Holt Guide to English. 3d ed. New York: Holt, Rinehart and Winston, 1981.
Cita MLA (9th ed.)Irmscher, William F. The Holt Guide to English. 3d ed. Holt, Rinehart and Winston, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.