Gaya APA
Friedman. (1991).
Comparative programming languages .
UNITED STATES OF AMERICA:
Prentice Hall.
Gaya Chicago
Friedman.
Comparative programming languages.
UNITED STATES OF AMERICA:
Prentice Hall,
1991.
Text.
Gaya MLA
Friedman.
Comparative programming languages.
UNITED STATES OF AMERICA:
Prentice Hall,
1991.
Text.
Gaya Turabian
Friedman.
Comparative programming languages.
UNITED STATES OF AMERICA:
Prentice Hall,
1991.
Print.