Siniscalchi, V., & Antunes, M. A. (2020). Sing up to English! New edition: Student's book. Richmond.
Cita Chicago Style (17a ed.)Siniscalchi, Valéria, 与 Ma Alice Antunes. Sing Up to English! New Edition: Student's Book. Buenos Aires: Richmond, 2020.
Cita MLA (9a ed.)Siniscalchi, Valéria, 与 Ma Alice Antunes. Sing Up to English! New Edition: Student's Book. Richmond, 2020.
警告:这些引文格式不一定是100%准确.