APA Style
Ashley, A. (1989).
Business English Practice Book 1 .
Jakarta:
Binarupa Aksara.
Chicago Style
Ashley, A.
Business English Practice Book 1.
Jakarta:
Binarupa Aksara,
1989.
Text.
MLA Style
Ashley, A.
Business English Practice Book 1.
Jakarta:
Binarupa Aksara,
1989.
Text.
Turabian Style
Ashley, A.
Business English Practice Book 1.
Jakarta:
Binarupa Aksara,
1989.
Print.