APA Style
ASHLEY, A.. (1989).
Business English Practice Book 2 .
Jakarta:
Binarupa Aksara.
Chicago Style
ASHLEY, A..
Business English Practice Book 2.
Jakarta:
Binarupa Aksara,
1989.
Text.
MLA Style
ASHLEY, A..
Business English Practice Book 2.
Jakarta:
Binarupa Aksara,
1989.
Text.
Turabian Style
ASHLEY, A..
Business English Practice Book 2.
Jakarta:
Binarupa Aksara,
1989.
Print.