APA (7th ed.) Zitazioa
Lewis, N. (2002). Word power made easy. Goylsaab.
Chicago Style (17th ed.) Zitazioa
Lewis, Norman. Word Power Made Easy. Delhi: Goylsaab, 2002.
MLA (9th ed.) Zitazioa
Lewis, Norman. Word Power Made Easy. Goylsaab, 2002.
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