Cita APA (7a ed.)

Clarke de Armando, R. (1965). English for Commercial Schools (7a.ed.). Angel Estrada.

Cita Chicago Style (17a ed.)

Clarke de Armando, Rosa. English for Commercial Schools. 7a.ed. Buenos Aires: Angel Estrada, 1965.

Cita MLA (9a ed.)

Clarke de Armando, Rosa. English for Commercial Schools. 7a.ed. Angel Estrada, 1965.