Gaya APA
User's Guide Microsoft Works. (1991).
Amerika:
microsoft corporation.
Gaya Chicago
User's Guide Microsoft Works.
pertama.
Amerika:
microsoft corporation,
1991.
Text.
Gaya MLA
User's Guide Microsoft Works.
pertama.
Amerika:
microsoft corporation,
1991.
Text.
Gaya Turabian
User's Guide Microsoft Works.
Amerika:
microsoft corporation,
1991.
Print.