APA Style
Alter, J.B.. (1991).
Guided English Skills .
Jakarta:
Binarupa Aksara.
Chicago Style
Alter, J.B..
Guided English Skills.
Jakarta:
Binarupa Aksara,
1991.
.
MLA Style
Alter, J.B..
Guided English Skills.
Jakarta:
Binarupa Aksara,
1991.
.
Turabian Style
Alter, J.B..
Guided English Skills.
Jakarta:
Binarupa Aksara,
1991.
.