Gaya APA
Richards, J, C., Schmidt, R. (2002).
Dictionary of language teachibg and applied linguistics (Ed. 3).
NEW YORK:
Pearson Education.
Gaya MLA
Richards, Jack, C.., Schmidt, Richard.
"Dictionary of language teachibg and applied linguistics".
Ed. 3
NEW YORK:
Pearson Education,
2002.
Text.