Gaya APA
Ruvalcaba. (2007).
Beginning expression web .
UNITED STATES OF AMERICA:
Wiley.
Gaya Chicago
Ruvalcaba.
Beginning expression web.
UNITED STATES OF AMERICA:
Wiley,
2007.
Text.
Gaya MLA
Ruvalcaba.
Beginning expression web.
UNITED STATES OF AMERICA:
Wiley,
2007.
Text.
Gaya Turabian
Ruvalcaba.
Beginning expression web.
UNITED STATES OF AMERICA:
Wiley,
2007.
Print.