Cita APA (7th ed.)

Open University & Swarbrick, A. (1994). Teaching modern languages. Routledge.

Cita Chicago (17th ed.)

Open University i Ann Swarbrick. Teaching Modern Languages. London ; New York: Routledge, 1994.

Cita MLA (8th ed.)

Open University i Ann Swarbrick. Teaching Modern Languages. Routledge, 1994.