Baker, A. (2006). Ship or sheep?: An intermediate pronunciation course (3rd ed.). Cambridge University Press.
Chicago Style aipamenaBaker, Ann. Ship or Sheep?: An Intermediate Pronunciation Course. 3rd ed. Cambridge ; New York ; New Delhi: Cambridge University Press, 2006.
MLA aipamenaBaker, Ann. Ship or Sheep?: An Intermediate Pronunciation Course. 3rd ed. Cambridge University Press, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.