King, Gareth
Colloquial english : a complete english language course
Routledge, 2005
Buku Teks SO
Sampaio, João, 1929-
Colloquial Portuguese : a complete language course
Routledge, 1995
Buku Teks SO
Le Fleming, Svetlana
Colloquial Russian: a complete language course
Routledge, 1995
Buku Teks SO
Bhatia, Tej K.
Colloquial Urdu : the complete course for beginners
Routledge, 2000
Buku Teks SO
Sutanto Atmosumarto
Colloquial Indonesian: a complete language course
Routledge, 1994
Buku Teks SO