Citazione Stile APA (7a Edizione)

Gulland, D. M., & Hinds-Howell, D. (2001). The Penguin dictionary of English idioms (2nd ed.). Penguin.

Citazione stile Chigago Style (17a edizione)

Gulland, Daphne M., e David Hinds-Howell. The Penguin Dictionary of English Idioms. 2nd ed. London ; New York: Penguin, 2001.

Citatione MLA (8a ed.)

Gulland, Daphne M., e David Hinds-Howell. The Penguin Dictionary of English Idioms. 2nd ed. Penguin, 2001.