Baker, A. (1990). Student's book: Pronunciation pairs: An introductory course for students of English. Cambridge, UK: Cambridge University Press.
Chicago-tyylinen lähdeviittausBaker, Ann. Student's Book: Pronunciation Pairs: An Introductory Course for Students of English. Cambridge, UK: Cambridge University Press, 1990.
MLA-viiteBaker, Ann. Student's Book: Pronunciation Pairs: An Introductory Course for Students of English. Cambridge, UK: Cambridge University Press, 1990.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.