Cita APA

Nunan, D. (1989). Understanding language classrooms: A guide for teacher initiated action. New York: Prentice-Hall.

Citación estilo Chicago

Nunan, David. Understanding Language Classrooms: A Guide for Teacher Initiated Action. New York: Prentice-Hall, 1989.

Cita MLA

Nunan, David. Understanding Language Classrooms: A Guide for Teacher Initiated Action. New York: Prentice-Hall, 1989.