APA (7th ed.) Zitazioa
Harris, M. (1997). Prentice reference guide to grammar and usage: With exercises (3rd ed.). Prentice Hall.
Chicago Style (17th ed.) Zitazioa
Harris, Muriel. Prentice Reference Guide to Grammar and Usage: With Exercises. 3rd ed. New Jersey: Prentice Hall, 1997.
MLA (9th ed.) Zitazioa
Harris, Muriel. Prentice Reference Guide to Grammar and Usage: With Exercises. 3rd ed. Prentice Hall, 1997.
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