Rojas, J. N., & Curry, R. A. (2003). Gramática esencial: Reference handbook (Second edition.). Editorial Houghton Mifflin Company.
Chicago Style (17. basım) AtıfRojas, Jorge Nelson, ve Richard A. Curry. Gramática Esencial: Reference Handbook. Second edition. Boston: Editorial Houghton Mifflin Company, 2003.
MLA (8th ed.) AtıfRojas, Jorge Nelson, ve Richard A. Curry. Gramática Esencial: Reference Handbook. Second edition. Editorial Houghton Mifflin Company, 2003.
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