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Gaya APA
Introducing LOGO. (1984).
London:
Granada.
Gaya Chicago
Introducing LOGO.
.
London:
Granada,
1984.
Text.
Gaya MLA
Introducing LOGO.
.
London:
Granada,
1984.
Text.
Gaya Turabian
Introducing LOGO.
London:
Granada,
1984.
Print.