Cita APA (7a ed.)

Watcyn-Jones, P., & Thomson, R. (1990). Test your english idioms. Penguin Books.

Cita Chicago Style (17a ed.)

Watcyn-Jones, Peter, y Ross Thomson. Test Your English Idioms. London: Penguin Books, 1990.

Cita MLA (9a ed.)

Watcyn-Jones, Peter, y Ross Thomson. Test Your English Idioms. Penguin Books, 1990.