Gaya APA
Baron, David P. (2006).
Business and its environment (5th ed.).
Upper Saddle River, NJ:
Prentice Hall.
Gaya Chicago
Baron, David P.
Business and its environment.
5th ed.
Upper Saddle River, NJ:
Prentice Hall,
2006.
Text.
Gaya MLA
Baron, David P.
Business and its environment.
5th ed.
Upper Saddle River, NJ:
Prentice Hall,
2006.
Text.
Gaya Turabian
Baron, David P.
Business and its environment.
5th ed.
Upper Saddle River, NJ:
Prentice Hall,
2006.
Print.