Âm ngạc cứng (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Âm ngạc cứng" in Vietnamese language version.

refsWebsite

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archive.org

Ian Maddieson (1984). Patters of Sounds. Cambridge Studies in Speech Science and Communication (bằng tiếng Anh). Cambridge University Press. ISBN 0-521-26536-3.