APA-referens

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.

Chicago-stil citat

Ackoff, Russell L., och Fred E. And Demery. 6n Purposeful Systems: An Inteerdiciplinary Analysis of Individual and Social Behavior as a System of Purposeful Events. 1972.

MLA-referens

Ackoff, Russell L., och Fred E. And Demery. 6n Purposeful Systems: An Inteerdiciplinary Analysis of Individual and Social Behavior as a System of Purposeful Events. 1972.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.