Ostring, P. (2004). Profit-focused supplier management: How to identify risk & recognize opportunities. Amacom.
Styl ChicagoOstring, Pirkko. Profit-focused Supplier Management: How to Identify Risk & Recognize Opportunities. New York: Amacom, 2004.
Citace podle MLAOstring, Pirkko. Profit-focused Supplier Management: How to Identify Risk & Recognize Opportunities. Amacom, 2004.
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