Wald, H. (1997). Spanish is fun: Book a lively lessons for beginners (Second edition.). AMSCO School Publications.
Chicago-referens (17:e uppl.)Wald, Heywood. Spanish Is Fun: Book a Lively Lessons for Beginners. Second edition. New York: AMSCO School Publications, 1997.
MLA-referens (9:e uppl.)Wald, Heywood. Spanish Is Fun: Book a Lively Lessons for Beginners. Second edition. AMSCO School Publications, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.