Cita APA

Bertoglia Richards, M., & Arriagada M., L. (1980). English for specific purposes, humanities: Level I ([1. edition].). San Ramón, [C.R.]: Eds. Centro Universitario de Occidente.

Citación estilo Chicago

Bertoglia Richards, Mafalda, y Lillian Arriagada M. English for Specific Purposes, Humanities: Level I. [1. edition]. San Ramón, [C.R.]: Eds. Centro Universitario de Occidente, 1980.

Cita MLA

Bertoglia Richards, Mafalda, y Lillian Arriagada M. English for Specific Purposes, Humanities: Level I. [1. edition]. San Ramón, [C.R.]: Eds. Centro Universitario de Occidente, 1980.