Citazione Stile APA (7a Edizione)

Baker A. Ann. (2008). Ship or Sheep. An intermediate Pronunciation Course (3rd ed.). New York, Cambridge University Press, 2008.

Citazione stile Chigago Style (17a edizione)

Baker A. Ann. Ship or Sheep. An Intermediate Pronunciation Course. 3rd ed. New York, Cambridge University Press, 2008, 2008.

Citatione MLA (9a ed.)

Baker A. Ann. Ship or Sheep. An Intermediate Pronunciation Course. 3rd ed. New York, Cambridge University Press, 2008, 2008.