Cita APA (7th ed.)

BALL, W. (1958). A practical guide to colloquial idiom. Longman.

Cita Chicago (17th ed.)

BALL, W.J. A Practical Guide to Colloquial Idiom. London: Longman, 1958.

Cita MLA (9th ed.)

BALL, W.J. A Practical Guide to Colloquial Idiom. Longman, 1958.