Cita APA

Barboza, G., & Barboza, G. (2006). Speaking english: Communication and cultural intereaction skills for native speakers of spanish. San José, C.R.: A.G.R..

Citación estilo Chicago

Barboza, Gerardo, y Gerardo Barboza. Speaking English: Communication and Cultural Intereaction Skills for Native Speakers of Spanish. San José, C.R.: A.G.R., 2006.

Cita MLA

Barboza, Gerardo, y Gerardo Barboza. Speaking English: Communication and Cultural Intereaction Skills for Native Speakers of Spanish. San José, C.R.: A.G.R., 2006.