Ginsburg, R. R. (1955). Speaking spanish. Allyn and Bacon.
Chicago-čujuhus (17. p.)Ginsburg, Ruth R. Speaking Spanish. Boston: Allyn and Bacon, 1955.
MLA-čujuhus (9. p.)Ginsburg, Ruth R. Speaking Spanish. Allyn and Bacon, 1955.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.