Emmett, S., & Crocker, B. (2009). Excellence in supplier management: How to better manage contracts with suppliers and add value :best practices in supplier relationship management and supplier development. Cambridge Academic.

Emmett, Stuart, and Barry Crocker. Excellence in Supplier Management: How to Better Manage Contracts with Suppliers and Add Value :best Practices in Supplier Relationship Management and Supplier Development. Cambridge: Cambridge Academic, 2009.

Emmett, Stuart, and Barry Crocker. Excellence in Supplier Management: How to Better Manage Contracts with Suppliers and Add Value :best Practices in Supplier Relationship Management and Supplier Development. Cambridge Academic, 2009.