Christopher, M. (2011). Logistics and supply chain management (4th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Christopher, Martin. Logistics and Supply Chain Management. 4th ed. USA: Prentice Hall, 2011.
Lua MLA (9ú heag.)Christopher, Martin. Logistics and Supply Chain Management. 4th ed. Prentice Hall, 2011.
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