Cita APA

Maley, A. (1974). The passive, unit 28, part 1; teacher's book. Longman.

Citación estilo Chicago

Maley, Alan. The Passive, Unit 28, Part 1; Teacher's Book. Inglaterra: Longman, 1974.

Cita MLA

Maley, Alan. The Passive, Unit 28, Part 1; Teacher's Book. Inglaterra: Longman, 1974.