Penggayaan APA
BURCH, John G.. (1974).
Information systems: .
California:
Company.
Chicago Style
BURCH, John G..
Information systems:.
California:
Company,
1974.
Buku.
MLA Style
BURCH, John G..
Information systems:.
California:
Company,
1974.
Buku.
Turabian Style
BURCH, John G..
Information systems:.
California:
Company,
1974.
Buku.