Gaya APA
Freniere, R, E., Villarreal, M. (1992).
Business Gaining The Competitive Edge .
Sebastopol, CA:
Allyn and Bacon.
Gaya MLA
Freniere, Ron, E., Villarreal, Martha.
"Business Gaining The Competitive Edge".
Sebastopol, CA:
Allyn and Bacon,
1992.
Text.