Gaya APA
Schiffman, Stephan. (2009).
THE CAREER SALESPERSON .
USA:
BUSINESS PUBLICATIONS.
Gaya Chicago
Schiffman, Stephan.
THE CAREER SALESPERSON.
USA:
BUSINESS PUBLICATIONS,
2009.
Text.
Gaya MLA
Schiffman, Stephan.
THE CAREER SALESPERSON.
USA:
BUSINESS PUBLICATIONS,
2009.
Text.
Gaya Turabian
Schiffman, Stephan.
THE CAREER SALESPERSON.
USA:
BUSINESS PUBLICATIONS,
2009.
Print.