Ostring, P. (2003). Profit-Focused Supplier Management. Amacom.
Cita Chicago Style (17a ed.)Ostring, Pirkko. Profit-Focused Supplier Management. Amacom, 2003.
Cita MLA (8a ed.)Ostring, Pirkko. Profit-Focused Supplier Management. Amacom, 2003.
Precaución: Estas citas no son 100% exactas.