Wald, H. (1997). Spanish is fun: Book a lively lessons for beginners (Second edition.). AMSCO School Publications.
Chicago Style (17. basım) AtıfWald, Heywood. Spanish Is Fun: Book a Lively Lessons for Beginners. Second edition. New York: AMSCO School Publications, 1997.
MLA (9th ed.) AtıfWald, Heywood. Spanish Is Fun: Book a Lively Lessons for Beginners. Second edition. AMSCO School Publications, 1997.
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