APA-čujuhus (7. p.)
Walker, D. H. T., & Hampson, K. (2003). Procurement strategies: A relationship-based approach. Blackwell Science.
Chicago-čujuhus (17. p.)
Walker, Derek H. T., juo Keith Hampson. Procurement Strategies: A Relationship-based Approach. Oxford, UK ; Malden, Mass.: Blackwell Science, 2003.
MLA-čujuhus (9. p.)
Walker, Derek H. T., juo Keith Hampson. Procurement Strategies: A Relationship-based Approach. Blackwell Science, 2003.
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