Cita APA

Umaña Chaverri, J. O. (1996). Improving academic reading in english (1. ed.). Heredia, C. R.: EUNA.

Citación estilo Chicago

Umaña Chaverri, José Otilio. Improving Academic Reading in English. 1. ed. Heredia, C. R.: EUNA, 1996.

Cita MLA

Umaña Chaverri, José Otilio. Improving Academic Reading in English. 1. ed. Heredia, C. R.: EUNA, 1996.