Marn, Michael V. The price advantage / Michael V. Marn, Eric V. Roegner, Craig C. Zawada. - Hoboken, NJ : John Wiley & Sons, c2004. - xvi, 288 p. : ill. ; 24 cm. ISBN: 0471466697 (CLOTH) LCCN: 2003017896 LC Class. No.: HF5416.5 .M365 2004 / .M365 2004 Dewey Class. No.: 658.8/16