Dougherty, J. R., & Gray, C. D. (2006). Sales and operations planning- best practices: Lessons learned from worldwide companies. Trafford Publishing.
Cita Chicago (17th ed.)Dougherty, John R., i Christopher D. Gray. Sales and Operations Planning- Best Practices: Lessons Learned from Worldwide Companies. Victoria, Columbia Británica, Canadá: Trafford Publishing, 2006.
Cita MLA (9th ed.)Dougherty, John R., i Christopher D. Gray. Sales and Operations Planning- Best Practices: Lessons Learned from Worldwide Companies. Trafford Publishing, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.