Cita APA (7a ed.)

Corder, S. P. (1979). An Intermediate English practice book: Key to the exercises. Logman.

Cita Chicago Style (17a ed.)

Corder, Stephen Pit. An Intermediate English Practice Book: Key to the Exercises. London: Logman, 1979.

Cita MLA (9a ed.)

Corder, Stephen Pit. An Intermediate English Practice Book: Key to the Exercises. Logman, 1979.