Gaya APA
LONG, Larry, LONG, Nancy. (1990).
Computers (Kedua).
Amerika:
Prentice Hall.
Gaya Chicago
LONG, Larry, LONG, Nancy.
Computers.
Kedua
Amerika:
Prentice Hall,
1990.
Text.
Gaya MLA
LONG, Larry, LONG, Nancy.
Computers.
Kedua
Amerika:
Prentice Hall,
1990.
Text.
Gaya Turabian
LONG, Larry, LONG, Nancy.
Computers.
Kedua
Amerika:
Prentice Hall,
1990.
Print.