Gaya APA
Ashley, A. (1989).
Business English practice, jilid 2 .
Jakarta:
Binarupa Aksara.
Gaya Chicago
Ashley, A.
Business English practice, jilid 2.
Jakarta:
Binarupa Aksara,
1989.
Buku.
Gaya MLA
Ashley, A.
Business English practice, jilid 2.
Jakarta:
Binarupa Aksara,
1989.
Buku.
Gaya Turabian
Ashley, A.
Business English practice, jilid 2.
Jakarta:
Binarupa Aksara,
1989.
Buku.