Hudson, R. A.
Sociolinguistics
Cambridge , 1980
 Buku Teks
Tales caricatures of circumstances from and their human beings Djakarta
Southeast Asia Program, Cornell University, 1999
 Buku Teks
Russell, Bertrand, 1872-1970
History of western philosophy : and its connection with political and social circumstances from the earliest times to the present day
George Allen and Unwin, 1957
 Buku Teks
Russel, Bertrand
History of western philosophy and its connection with political and social circumstances from the earliest times to the present day
Routledge, 1948
 Buku Teks
Issues in sociolinguistics
edited by Oscar Uribe-Villegas
Mouton, 1977
 Buku Teks