Colloquial Korean
 Buku Teks
Kirk-Greene, C.W.E.
Colloquial French
Foulsham, 1992
 Buku Teks SO
Clarke, H.D.B.
Colloquial Japanese
Routledge, 1991
 Buku Teks SO
Wyld, H.C.
History of modern colloquial English
Oxford Blackwell 1953
 Buku Teks
Mitchell, T. F.
An introduction to Egyptian colloquial Arabic
Oxford University Press, 1960
 Buku Teks SO