APA (7th ed.) Citation

Walker, D. H. T., & Hampson, K. (2003). Procurement strategies: A relationship-based approach. Blackwell Science.

Chicago Style (17th ed.) Citation

Walker, Derek H. T., and Keith Hampson. Procurement Strategies: A Relationship-based Approach. Oxford, UK ; Malden, Mass.: Blackwell Science, 2003.

MLA (9th ed.) Citation

Walker, Derek H. T., and Keith Hampson. Procurement Strategies: A Relationship-based Approach. Blackwell Science, 2003.