Penggayaan APA
Walker. (1990).
Grammer practice for intermediate students .
Jakarta:
Binarupa Aksara.
Chicago Style
Walker.
Grammer practice for intermediate students.
Jakarta:
Binarupa Aksara,
1990.
Text.
MLA Style
Walker.
Grammer practice for intermediate students.
Jakarta:
Binarupa Aksara,
1990.
Text.
Turabian Style
Walker.
Grammer practice for intermediate students.
Jakarta:
Binarupa Aksara,
1990.
Print.