Corder, S. P. (1979). An intermediate english practice book. Longmans.
Citación estilo ChicagoCorder, S. Pit. An Intermediate English Practice Book. Longmans, 1979.
Cita MLACorder, S. Pit. An Intermediate English Practice Book. Longmans, 1979.
Warning: These citations may not always be 100% accurate.