Cita APA (7a ed.)

HORNBY, A., & PARNWELL, E. (1972). Learner's dictionary: Oxford progressive english. Indira.

Cita Chicago Style (17a ed.)

HORNBY, A.S, y E.C PARNWELL. Learner's Dictionary: Oxford Progressive English. Jakarta: Indira, 1972.

Cita MLA (9a ed.)

HORNBY, A.S, y E.C PARNWELL. Learner's Dictionary: Oxford Progressive English. Indira, 1972.