Cita APA

Baker, A. 1., & Baker, A. 1. (1981). Ship or sheep?: An intermediate pronunciation course (New edition.). Cambridge: Cambridge University Press.

Citación estilo Chicago

Baker, Ann 1923-, y Ann 1923- Baker. Ship or Sheep?: An Intermediate Pronunciation Course. New edition. Cambridge: Cambridge University Press, 1981.

Cita MLA

Baker, Ann 1923-, y Ann 1923- Baker. Ship or Sheep?: An Intermediate Pronunciation Course. New edition. Cambridge: Cambridge University Press, 1981.