Jones, Daniel
The pronunciation of english
University Press, 1958
 Buku Teks
Cameron, Susan, 1958-
Perfecting your english pronunciation
McGaw-Hill, 2011
 Multimedia
Cameron, Susan, 1958-
Perfecting your english pronunciation
McGraw-Hill, 2011
 Multimedia
Cameron, Susan, 1958-
Perfecting your english pronunciation
McGraw-Hill, 2012
 Buku Teks
Cox, Felicity
Australian English pronunciation and transcription
Cambridge University Press, 2011
 Buku Teks