Gaya APA
Ashley, A. (1986).
Business English Practice Book 2 .
Jakarta Barat:
Binarupa Aksara.
Gaya Chicago
Ashley, A.
Business English Practice Book 2.
Jakarta Barat:
Binarupa Aksara,
1986.
.
Gaya MLA
Ashley, A.
Business English Practice Book 2.
Jakarta Barat:
Binarupa Aksara,
1986.
.
Gaya Turabian
Ashley, A.
Business English Practice Book 2.
Jakarta Barat:
Binarupa Aksara,
1986.
.