Handfield, R. B. (2011). Sourcing and Supply Chain Management (5th.). Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Handfield, Robert B. Sourcing and Supply Chain Management. 5th. Delhi: Cengage Learning, 2011.
Lua MLA (9ú heag.)Handfield, Robert B. Sourcing and Supply Chain Management. 5th. Cengage Learning, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.