Baker, A. (1992). Ship or sheep ?: An intermediate pronunciation course. Cambridge: Cambridge University.
Chicago Style aipamenaBaker, Ann. Ship or Sheep ?: An Intermediate Pronunciation Course. Cambridge: Cambridge University, 1992.
MLA aipamenaBaker, Ann. Ship or Sheep ?: An Intermediate Pronunciation Course. Cambridge: Cambridge University, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.