Gaya APA
Wardhaugh, Ronald. (1986).
AN INTRODUCTION TO SOCIOLINGUISTICS (Pertama).
USA:
Basil Blackwell.
Gaya Chicago
Wardhaugh, Ronald.
AN INTRODUCTION TO SOCIOLINGUISTICS.
Pertama
USA:
Basil Blackwell,
1986.
Text.
Gaya MLA
Wardhaugh, Ronald.
AN INTRODUCTION TO SOCIOLINGUISTICS.
Pertama
USA:
Basil Blackwell,
1986.
Text.
Gaya Turabian
Wardhaugh, Ronald.
AN INTRODUCTION TO SOCIOLINGUISTICS.
Pertama
USA:
Basil Blackwell,
1986.
Print.