Baker, A. (2006). Tree or three?: An elementary pronunciation course (2th edición.). Cambridge University Press.
Chicago Style (17th ed.) CitationBaker, Ann. Tree or Three?: An Elementary Pronunciation Course. 2th edición. Inglaterra: Cambridge University Press, 2006.
MLA (9th ed.) CitationBaker, Ann. Tree or Three?: An Elementary Pronunciation Course. 2th edición. Cambridge University Press, 2006.
Warning: These citations may not always be 100% accurate.