Pfeffer, J. (1998). The human equation: Building profits by putting people first. Harvard business school press.
Παραπομπή Chicago StylePfeffer, Jeffrey. The Human Equation: Building Profits by Putting People First. Boston: Harvard business school press, 1998.
Παραπομπή MLAPfeffer, Jeffrey. The Human Equation: Building Profits by Putting People First. Harvard business school press, 1998.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.