Gaya APA
Heiman, Stephen E., Sanchez, Diane. ().
The new conceptual selling .
Calivornia:
Concord.
Gaya Chicago
Heiman, Stephen E., Sanchez, Diane.
The new conceptual selling.
Calivornia:
Concord,
.
Text.
Gaya MLA
Heiman, Stephen E., Sanchez, Diane.
The new conceptual selling.
Calivornia:
Concord,
.
Text.
Gaya Turabian
Heiman, Stephen E., Sanchez, Diane.
The new conceptual selling.
Calivornia:
Concord,
.
Print.