Pelton, Gordon E.
Voice processing
McGraw-Hill, 1992
 Buku Teks
Klaiman, M.H.
Grammatical voice
Cambridge University Press , 1991
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Klevans, Richard L.
Voice recognition
Artech House, 1997
 Buku Teks
Klevans, Richard L.
Voice recognition
Artech House, 1997
 Buku Teks
Burdett, Jeremy K.
Molecular shapes : theoretical models of inorganic stereochemistry
John Wiley & Sons, 1980
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