Freeman, R. E. a. (2015). Bridging the Value Gap. Harpercollins.
Cita Chicago (17th ed.)Freeman, R. Edward; auster. Bridging the Value Gap. Noida: Harpercollins, 2015.
Cita MLA (9th ed.)Freeman, R. Edward; auster. Bridging the Value Gap. Harpercollins, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.