APA Style
Richards, Jack C. (1989).
Language Teaching and Applied Linguistics .
Singapor:
Longman.
Chicago Style
Richards, Jack C.
Language Teaching and Applied Linguistics.
Singapor:
Longman,
1989.
Text.
MLA Style
Richards, Jack C.
Language Teaching and Applied Linguistics.
Singapor:
Longman,
1989.
Text.
Turabian Style
Richards, Jack C.
Language Teaching and Applied Linguistics.
Singapor:
Longman,
1989.
Print.