Ackoff, R. L., & And Demery , F. E. (1972). 6n Purposeful systems: An inteerdiciplinary analysis of individual and social behavior as a system of purposeful events.
Citação norma ChicagoAckoff, Russell L., and Fred E. And Demery. 6n Purposeful Systems: An Inteerdiciplinary Analysis of Individual and Social Behavior as a System of Purposeful Events. 1972.
Citação norma MLAAckoff, Russell L., and Fred E. And Demery. 6n Purposeful Systems: An Inteerdiciplinary Analysis of Individual and Social Behavior as a System of Purposeful Events. 1972.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.