Cita APA (7th ed.)

Collins. (2009). Collins English Dictionary. HarperCollinsPublishers.

Cita Chicago (17th ed.)

Collins. Collins English Dictionary. Noida: HarperCollinsPublishers, 2009.

Cita MLA (9th ed.)

Collins. Collins English Dictionary. HarperCollinsPublishers, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.