Cita APA (7a ed.)

Wright, A., & Haleem, S. (1991). Visuals for the language classroom. Longman.

Cita Chicago Style (17a ed.)

Wright, Andrew, y Safia Haleem. Visuals for the Language Classroom. London: Longman, 1991.

Cita MLA (8a ed.)

Wright, Andrew, y Safia Haleem. Visuals for the Language Classroom. Longman, 1991.