APA (7th ed.) Zitazioa
Hopper, V. F., Foote, R. C., Gale, C., & Griffith, B. W. (2000). Essentials of English (5th ed.). Barron's Educational Series.
Chicago Style (17th ed.) Zitazioa
Hopper, Vincent Foster, Ronald C. Foote, Cedric Gale, eta Benjamin W. Griffith. Essentials of English. 5th ed. Hauppauge, N.Y.: Barron's Educational Series, 2000.
MLA (9th ed.) Zitazioa
Hopper, Vincent Foster, et al. Essentials of English. 5th ed. Barron's Educational Series, 2000.
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