Gaya APA
Cook, S, J., Suter, R, W. (1980).
The Scope of grammar : a study of modern English .
New York:
McGraw-Hill.
Gaya MLA
Cook, Stanley, J.., Suter, Richard, W..
"The Scope of grammar : a study of modern English".
New York:
McGraw-Hill,
1980.
Text.