APA (7th ed.) Zitazioa
Ostring, P. (2004). Profit-focused supplier management: How to identify risks and recognize opportunities. AMACOM.
Chicago Style (17th ed.) Zitazioa
Ostring, Pirkko. Profit-focused Supplier Management: How to Identify Risks and Recognize Opportunities. New York: AMACOM, 2004.
MLA (9th ed.) Zitazioa
Ostring, Pirkko. Profit-focused Supplier Management: How to Identify Risks and Recognize Opportunities. AMACOM, 2004.
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