Baker, A. (1982). Tree or three?: An elementary pronunciation course : [student's book]. Cambridge University Press.
Παραπομπή Chicago StyleBaker, Ann. Tree or Three?: An Elementary Pronunciation Course : [student's Book]. Cambridge University Press, 1982.
Παραπομπή MLABaker, Ann. Tree or Three?: An Elementary Pronunciation Course : [student's Book]. Cambridge University Press, 1982.
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