Gaya APA
Interative programming environment. (1986).
New York:
McGraw-Hill.
Gaya Chicago
Interative programming environment.
.
New York:
McGraw-Hill,
1986.
Text.
Gaya MLA
Interative programming environment.
.
New York:
McGraw-Hill,
1986.
Text.
Gaya Turabian
Interative programming environment.
New York:
McGraw-Hill,
1986.
Print.