Boyer , K. K. (2009). Extending the supply chain. PHI.
Lua i Stíl Chicago (17ú heag.)Boyer , Kenneth K. Extending the Supply Chain. New Delhi: PHI, 2009.
Lua MLA (9ú heag.)Boyer , Kenneth K. Extending the Supply Chain. PHI, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.