Siniscalchi, V., & Antunes, M. A. (2020). Sing up to English! New edition: Student's book. Richmond.
Čikaški stil citiranja (17. izdanje)Siniscalchi, Valéria, i Ma Alice Antunes. Sing Up to English! New Edition: Student's Book. Buenos Aires: Richmond, 2020.
MLA način citiranja (9. izdanje)Siniscalchi, Valéria, i Ma Alice Antunes. Sing Up to English! New Edition: Student's Book. Richmond, 2020.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.