Citazione Stile APA (7a Edizione)

Siniscalchi, V., & Antunes, M. A. (2020). Sing up to English! New edition: Student's book. Richmond.

Citazione stile Chigago Style (17a edizione)

Siniscalchi, Valéria, e Ma Alice Antunes. Sing Up to English! New Edition: Student's Book. Buenos Aires: Richmond, 2020.

Citatione MLA (9a ed.)

Siniscalchi, Valéria, e Ma Alice Antunes. Sing Up to English! New Edition: Student's Book. Richmond, 2020.