Cita APA (7th ed.)

Berlitz. (1928). Method for teaching modern languages (390a. ed.). The Berlitz School.

Cita Chicago (17th ed.)

Berlitz. Method for Teaching Modern Languages. 390a. ed. Londres: The Berlitz School, 1928.

Cita MLA (9th ed.)

Berlitz. Method for Teaching Modern Languages. 390a. ed. The Berlitz School, 1928.