APA (7th ed.) Zitazioa
Butler, E., Everett, E. M., Hickman, M. A., & Overby, L. (1978). Correct Writing. (Second Edition.). D.C. Heath and Company.
Chicago Style (17th ed.) Zitazioa
Butler, Eugenia, Edwin Marrard Everett, Mary Ann Hickman, eta Lalla Overby. Correct Writing. Second Edition. Lexingon, MA: D.C. Heath and Company, 1978.
MLA (9th ed.) Zitazioa
Butler, Eugenia, et al. Correct Writing. Second Edition. D.C. Heath and Company, 1978.
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