APA
Schiffman S., . (2002). Sales don't just happen : 26 proven strategies to increase sales in any market. Chicago: Dearborn Trade Publishing.
Chicago
Schiffman Stephan, . 2002. Sales don't just happen : 26 proven strategies to increase sales in any market. Chicago: Dearborn Trade Publishing.
Harvard
Schiffman S., . (2002). Sales don't just happen : 26 proven strategies to increase sales in any market. Chicago: Dearborn Trade Publishing.
MLA
Schiffman Stephan, . Sales don't just happen : 26 proven strategies to increase sales in any market. Chicago: Dearborn Trade Publishing. 2002.