Gaya APA
Schiffman, Stephan. (1992).
The 25 most common sales mistakes and how to avoid them .
Great Britain:
Kogan Page Limited.
Gaya Chicago
Schiffman, Stephan.
The 25 most common sales mistakes and how to avoid them.
Great Britain:
Kogan Page Limited,
1992.
Text.
Gaya MLA
Schiffman, Stephan.
The 25 most common sales mistakes and how to avoid them.
Great Britain:
Kogan Page Limited,
1992.
Text.
Gaya Turabian
Schiffman, Stephan.
The 25 most common sales mistakes and how to avoid them.
Great Britain:
Kogan Page Limited,
1992.
Print.