Cita APA

Keenan, J. J. 1., & Keenan, J. J. 1. (1994). Breaking out of beginner's Spanish. Austin: University of Texas Press.

Citación estilo Chicago

Keenan, Joseph John 1960-, y Joseph John 1960- Keenan. Breaking Out of Beginner's Spanish. Austin: University of Texas Press, 1994.

Cita MLA

Keenan, Joseph John 1960-, y Joseph John 1960- Keenan. Breaking Out of Beginner's Spanish. Austin: University of Texas Press, 1994.