Cita APA (7th ed.)

Gulland, D. M. H. (2002). The penguin dictionary of English idoms. Penguin Books.

Cita Chicago (17th ed.)

Gulland, Daphne M.& Hinds-Howell. The Penguin Dictionary of English Idoms. London: Penguin Books, 2002.

Cita MLA (9th ed.)

Gulland, Daphne M.& Hinds-Howell. The Penguin Dictionary of English Idoms. Penguin Books, 2002.