APA (7th ed.) Zitazioa
Patterson, H. M. Writing and Selling Feature Articles. Prentice-Hall.
Chicago Style (17th ed.) Zitazioa
Patterson, Helen Marguerite. Writing and Selling Feature Articles. Nueva York, EUA: Prentice-Hall.
MLA (9th ed.) Zitazioa
Patterson, Helen Marguerite. Writing and Selling Feature Articles. Prentice-Hall.
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