APA (7th ed.) Citation

Heeper, A., & Schmidt, M. F. (2010). Sales negotiation. SynergyMedia.

Chicago Style (17th ed.) Citation

Heeper, Astrid, and Michael F. Schmidt. Sales Negotiation. Kuala Lumpur: SynergyMedia, 2010.

MLA (9th ed.) Citation

Heeper, Astrid, and Michael F. Schmidt. Sales Negotiation. SynergyMedia, 2010.

Warning: These citations may not always be 100% accurate.