Gaya APA
A Beginners' Guide to Visual Prolog . (2009).
Amerika:
[s.n.].
Gaya Chicago
A Beginners' Guide to Visual Prolog .
1.
Amerika:
[s.n.],
2009.
Text.
Gaya MLA
A Beginners' Guide to Visual Prolog .
1.
Amerika:
[s.n.],
2009.
Text.
Gaya Turabian
A Beginners' Guide to Visual Prolog .
Amerika:
[s.n.],
2009.
Print.