APA Style
Nunan, David. (1989).
Understanding Language Classroom .
London:
Prentice Hall.
Chicago Style
Nunan, David.
Understanding Language Classroom.
London:
Prentice Hall,
1989.
Text.
MLA Style
Nunan, David.
Understanding Language Classroom.
London:
Prentice Hall,
1989.
Text.
Turabian Style
Nunan, David.
Understanding Language Classroom.
London:
Prentice Hall,
1989.
Print.