Wald, H. (1997). Spanish is fun: Book a lively lessons for beginners (Second edition.). AMSCO School Publications.
Chicago-čujuhus (17. p.)Wald, Heywood. Spanish Is Fun: Book a Lively Lessons for Beginners. Second edition. New York: AMSCO School Publications, 1997.
MLA-čujuhus (9. p.)Wald, Heywood. Spanish Is Fun: Book a Lively Lessons for Beginners. Second edition. AMSCO School Publications, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.