Jonathan O'Brien. (2014). Supplier Relationship Mangement: Unlocking The Hidden Value in Your Supply Base. Kogan page.
Čikaški stil citiranjaJonathan O'Brien. Supplier Relationship Mangement: Unlocking The Hidden Value in Your Supply Base. New Delhi: Kogan page, 2014.
MLA način citiranjaJonathan O'Brien. Supplier Relationship Mangement: Unlocking The Hidden Value in Your Supply Base. Kogan page, 2014.
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