Penggayaan APA
NUNAN, David.. (1989).
Understanding language classrooms : .
New York:
Prentice Hall.
Chicago Style
NUNAN, David..
Understanding language classrooms :.
New York:
Prentice Hall,
1989.
Buku.
MLA Style
NUNAN, David..
Understanding language classrooms :.
New York:
Prentice Hall,
1989.
Buku.
Turabian Style
NUNAN, David..
Understanding language classrooms :.
New York:
Prentice Hall,
1989.
Buku.