SamPaio, Joao
Colloquial Portuguese : a complete language course / Joao Sampaio and Barbara McIntyre
Routledge, 1995
 Buku Teks
Kim, Andrew In-sok
Colloquial Korean : a complete language / Andrew In-sok Kim
Routledge, 1996
 Buku Teks
Sutanto Atmosumarto
Colloquial Indonesian: a complete language course
Routledge, 1994
 Buku Teks
Baker, Ann
Tree or three? An elementary pronunciation course
Cambridge University Press, 1982
 Buku Teks SO
Baker, Ann
Tree or three? An elementary pronunciation course
Cambridge University Press, 1982
 Buku Teks SO