Wald, H. (1997). Spanish is fun: Book a lively lessons for beginners (Second edition.). AMSCO School Publications.
Chicago-Zitierstil (17. Ausg.)Wald, Heywood. Spanish Is Fun: Book a Lively Lessons for Beginners. Second edition. New York: AMSCO School Publications, 1997.
MLA-Zitierstil (9. Ausg.)Wald, Heywood. Spanish Is Fun: Book a Lively Lessons for Beginners. Second edition. AMSCO School Publications, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.