Gaya APA
Wardhaugh, Ronald. (1986).
An Introduction to Sociolinguistics / Ronald Wardhaugh (Ed 5).
USA:
Blackwell Publishing.
Gaya Chicago
Wardhaugh, Ronald.
An Introduction to Sociolinguistics / Ronald Wardhaugh.
Ed 5
USA:
Blackwell Publishing,
1986.
Text.
Gaya MLA
Wardhaugh, Ronald.
An Introduction to Sociolinguistics / Ronald Wardhaugh.
Ed 5
USA:
Blackwell Publishing,
1986.
Text.
Gaya Turabian
Wardhaugh, Ronald.
An Introduction to Sociolinguistics / Ronald Wardhaugh.
Ed 5
USA:
Blackwell Publishing,
1986.
Print.