Betascript Publishing (2010-06-14) - ISBN-13: 978-613-0-45613-9
Glottis, Vowel, Sonorant, Creaky voice, Obstruent, Glottal stop, Consonant, Glottalic consonant, Ejective consonant
Chromo Publishing (2012-05-11) - ISBN-13: 978-613-6-80546-7
Betascript Publishing (2010-09-07) - ISBN-13: 978-613-2-92113-0
Betascript Publishing (2010-05-19) - ISBN-13: 978-613-0-46293-2
Betascript Publishing (2010-12-22) - ISBN-13: 978-613-4-67324-2
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