Gaya APA
Long, Larry. (1987).
Computers in business .
New Jersey:
Prentice Hall.
Gaya Chicago
Long, Larry.
Computers in business.
New Jersey:
Prentice Hall,
1987.
Buku.
Gaya MLA
Long, Larry.
Computers in business.
New Jersey:
Prentice Hall,
1987.
Buku.
Gaya Turabian
Long, Larry.
Computers in business.
New Jersey:
Prentice Hall,
1987.
Buku.