Baker, A. (2006). Tree or Three?: An elementary pronunciation course (2a. ed.). Cambridge University Press.
Chicago Style (17th ed.) ZitazioaBaker, Ann. Tree or Three?: An Elementary Pronunciation Course. 2a. ed. Cambridge University Press, 2006.
MLA (9th ed.) ZitazioaBaker, Ann. Tree or Three?: An Elementary Pronunciation Course. 2a. ed. Cambridge University Press, 2006.
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