Wardhaugh, Ronald
An Introduction to Sociolinguistics
Blackwell Publishers, 2002
 Buku Teks
Wardhaugh, Ronald
An introduction to sociolinguistics
Wiley-Blackwell, 2010
 Buku Teks
Wardhaugh, Ronald
An introduction to sociolinguistics
Blackwell Publishers, 2002
 Buku Teks
Holmes, Janet, editor
An Introduction to Sosiolinguistics / Janet Holmes
Longman, 1993
 Buku Teks
Mey, Jacob L.
Pragmatics : an introduction
Blackwel, 1993
 Buku Teks