Siniscalchi, V., & Antunes, M. A. (2020). Sing up to English! New edition: Student's book. Richmond.
Chicago-čujuhus (17. p.)Siniscalchi, Valéria, juo Ma Alice Antunes. Sing Up to English! New Edition: Student's Book. Buenos Aires: Richmond, 2020.
MLA-čujuhus (9. p.)Siniscalchi, Valéria, juo Ma Alice Antunes. Sing Up to English! New Edition: Student's Book. Richmond, 2020.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.