Cita APA (7th ed.)

Hooper, J. S. (1980). A quick english reference. Oxford University Press.

Cita Chicago (17th ed.)

Hooper, J. S. A Quick English Reference. Kuala Lumpur: Oxford University Press, 1980.

Cita MLA (9th ed.)

Hooper, J. S. A Quick English Reference. Oxford University Press, 1980.

Atenció: Aquestes cites poden no estar 100% correctes.