Gaya APA
Voiles, Price R. (1991).
Business English essentials (8e).
New York:
McGraw Hill.
Gaya Chicago
Voiles, Price R.
Business English essentials.
8e
New York:
McGraw Hill,
1991.
Buku.
Gaya MLA
Voiles, Price R.
Business English essentials.
8e
New York:
McGraw Hill,
1991.
Buku.
Gaya Turabian
Voiles, Price R.
Business English essentials.
8e
New York:
McGraw Hill,
1991.
Buku.