Gaya APA
Zaiss, Carl D.. (1993).
Sales effectiveness training : the breakthrough method to become partners with your customers .
America:
Penguin Group.
Gaya Chicago
Zaiss, Carl D..
Sales effectiveness training : the breakthrough method to become partners with your customers.
America:
Penguin Group,
1993.
Text.
Gaya MLA
Zaiss, Carl D..
Sales effectiveness training : the breakthrough method to become partners with your customers.
America:
Penguin Group,
1993.
Text.
Gaya Turabian
Zaiss, Carl D..
Sales effectiveness training : the breakthrough method to become partners with your customers.
America:
Penguin Group,
1993.
Print.