Webster, S. (2008). Principles and tools for supply chain management Scott Webster. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Webster, Scott. Principles and Tools for Supply Chain Management Scott Webster. McGraw-Hill, 2008.
Lua MLA (8ú heag.)Webster, Scott. Principles and Tools for Supply Chain Management Scott Webster. McGraw-Hill, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.