Gaya APA
Ronald, W.
(1988).
An Introductions To Sosiolinguistics
(
Cet.1)
.
New York:
Basil Blackwell.
Gaya MLA
Ronald, Wardhaugh.
"An Introductions To Sosiolinguistics".
Cet.1
New York:
Basil Blackwell,
1988.
Text.