Gaya APA
Barringer. (2010).
Entrepreneurship .
UNITED STATES OF AMERICA:
Pearson International Education.
Gaya Chicago
Barringer.
Entrepreneurship.
UNITED STATES OF AMERICA:
Pearson International Education,
2010.
Text.
Gaya MLA
Barringer.
Entrepreneurship.
UNITED STATES OF AMERICA:
Pearson International Education,
2010.
Text.
Gaya Turabian
Barringer.
Entrepreneurship.
UNITED STATES OF AMERICA:
Pearson International Education,
2010.
Print.