APA Style
Wardhaugh, Ronald. (2002).
An introduction to sociolinguistics (4th edition).
Malden, Massachusetts:
Blacwell Publishing.
Chicago Style
Wardhaugh, Ronald.
An introduction to sociolinguistics.
4th edition
Malden, Massachusetts:
Blacwell Publishing,
2002.
print.
MLA Style
Wardhaugh, Ronald.
An introduction to sociolinguistics.
4th edition
Malden, Massachusetts:
Blacwell Publishing,
2002.
print.
Turabian Style
Wardhaugh, Ronald.
An introduction to sociolinguistics.
4th edition
Malden, Massachusetts:
Blacwell Publishing,
2002.
print.