Villanueva de Mayer, M. E. (1948). English for secondary: Second year book (1a. ed.). Tall. Gráf. Jorge Best.
Chicago-čujuhus (17. p.)Villanueva de Mayer, María Enriqueta. English for Secondary: Second Year Book. 1a. ed. Mendoza: Tall. Gráf. Jorge Best, 1948.
MLA-čujuhus (9. p.)Villanueva de Mayer, María Enriqueta. English for Secondary: Second Year Book. 1a. ed. Tall. Gráf. Jorge Best, 1948.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.