Cita APA (7th ed.)

Clarke de Armando, R. (1958). English for secondary schools (16a. ed.). Estrada.

Cita Chicago (17th ed.)

Clarke de Armando, Rosa. English for Secondary Schools. 16a. ed. Buenos Aires: Estrada, 1958.

Cita MLA (9th ed.)

Clarke de Armando, Rosa. English for Secondary Schools. 16a. ed. Estrada, 1958.