Cita APA (7a ed.)
Nick, M. J., & Koenig, K. M. (2004). ROI selling: Increasing revenue, profit & customer loyalty through the 360 degree sales cycle. Dearborn Trade Pub..
Cita Chicago Style (17a ed.)
Nick, Michael J., y Kurt M. Koenig. ROI Selling: Increasing Revenue, Profit & Customer Loyalty Through the 360 Degree Sales Cycle. Chicago: Dearborn Trade Pub., 2004.
Cita MLA (9a ed.)
Nick, Michael J., y Kurt M. Koenig. ROI Selling: Increasing Revenue, Profit & Customer Loyalty Through the 360 Degree Sales Cycle. Dearborn Trade Pub., 2004.
Precaución: Estas citas no son 100% exactas.