Cita APA

Watcyn-Jones, P. (1997). Pair work 1: Elementary to pre-intermediate ([New ed.].). London: Penguin Books.

Citación estilo Chicago

Watcyn-Jones, Peter. Pair Work 1: Elementary to Pre-intermediate. [New ed.]. London: Penguin Books, 1997.

Cita MLA

Watcyn-Jones, Peter. Pair Work 1: Elementary to Pre-intermediate. [New ed.]. London: Penguin Books, 1997.