Ladefoged, Peter
Phonetic data analysis : an introduction to fieldwork and instrumental techniques / Peter Ladefoged
Blackwell Publishing, 2003
 Buku Teks SO
Ladefoged, Peter
Vowels and consonants: an introduction to the sound of language
Blackwell publisher, 2001
 Buku Teks
Zsiga, Elizabeth C.
The sounds of language : an introduction to phonetics and phonology
West Sussex Wiley-Blackwell, 2013
 Buku Teks SO
Attitudes to languages / Peter Garret
Cambridge University Press, 2010
 eBooks
Meehan, Diane
An introduction to fourth generation languages
Stanley Thornes , 1990
 Buku Teks