Gaya APA
Krashen, Stephen D, Tracy D. Terrell. (1988).
The Natural Approach: Language Acquisition in The Classroom .
United States of America:
Prentice Hall.
Gaya Chicago
Krashen, Stephen D, Tracy D. Terrell.
The Natural Approach: Language Acquisition in The Classroom.
United States of America:
Prentice Hall,
1988.
Text.
Gaya MLA
Krashen, Stephen D, Tracy D. Terrell.
The Natural Approach: Language Acquisition in The Classroom.
United States of America:
Prentice Hall,
1988.
Text.
Gaya Turabian
Krashen, Stephen D, Tracy D. Terrell.
The Natural Approach: Language Acquisition in The Classroom.
United States of America:
Prentice Hall,
1988.
Print.