Cita APA

Martínez R., J. (1997). English for University students: A preparatory english course (1st. ed. --.). Panamá: The University of Panama Press.

Citación estilo Chicago

Martínez R., Jeremias. English for University Students: A Preparatory English Course. 1st. ed. --. Panamá: The University of Panama Press, 1997.

Cita MLA

Martínez R., Jeremias. English for University Students: A Preparatory English Course. 1st. ed. --. Panamá: The University of Panama Press, 1997.