Cita APA (7a ed.)

Corder, S. P. (1960). An intermediate english practice book. Longman.

Cita Chicago Style (17a ed.)

Corder, S. Pit. An Intermediate English Practice Book. Londres: Longman, 1960.

Cita MLA (9a ed.)

Corder, S. Pit. An Intermediate English Practice Book. Longman, 1960.