Handfield, R. B. (2011). Sourcing and Supply Chain Management (5th.). Cengage Learning.
Chicago-viite (17. p.)Handfield, Robert B. Sourcing and Supply Chain Management. 5th. Delhi: Cengage Learning, 2011.
MLA-viite (9. p.)Handfield, Robert B. Sourcing and Supply Chain Management. 5th. Cengage Learning, 2011.
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