APA-referens (7:e uppl.)
Ostring, P. (2004). Profit-focused supplier management: How to identify risks and recognize opportunities. AMACOM.
Chicago-referens (17:e uppl.)
Ostring, Pirkko. Profit-focused Supplier Management: How to Identify Risks and Recognize Opportunities. New York: AMACOM, 2004.
MLA-referens (9:e uppl.)
Ostring, Pirkko. Profit-focused Supplier Management: How to Identify Risks and Recognize Opportunities. AMACOM, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.