Cita APA (7th ed.)

(1970). Learner's dictionary: : illustrated in colour. McGraw-Hill.

Cita Chicago (17th ed.)

Learner's Dictionary: : Illustrated in Colour. New York: McGraw-Hill, 1970.

Cita MLA (9th ed.)

Learner's Dictionary: : Illustrated in Colour. McGraw-Hill, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.