Gaya APA
Wardhaugh, R.
(0).
An introduction to sociolinguistics/ Ronald Wardhaugh
(
Ed. 6)
.
London:
Wilpy blackwell.
Gaya MLA
Wardhaugh, Ronald.
"An introduction to sociolinguistics/ Ronald Wardhaugh".
Ed. 6
London:
Wilpy blackwell,
0.
Text.