Lua APA (7ú heag.)
Ostring, P. (2004). Profit-focused supplier management: How to identify risks and recognize opportunities. AMACOM.
Lua i Stíl Chicago (17ú heag.)
Ostring, Pirkko. Profit-focused Supplier Management: How to Identify Risks and Recognize Opportunities. New York: AMACOM, 2004.
Lua MLA (9ú heag.)
Ostring, Pirkko. Profit-focused Supplier Management: How to Identify Risks and Recognize Opportunities. AMACOM, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.