Cita APA (7th ed.)
Torlasco, R., & Frías, C. V. (1960). Our english class: An english course for secondary students (13a. ed.). Kapelusz.
Cita Chicago (17th ed.)
Torlasco, Raúl, i Carlos V. Frías. Our English Class: An English Course for Secondary Students. 13a. ed. Buenos Aires: Kapelusz, 1960.
Cita MLA (9th ed.)
Torlasco, Raúl, i Carlos V. Frías. Our English Class: An English Course for Secondary Students. 13a. ed. Kapelusz, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.