Harper, M. (1992). Their own idea: Lessons from workers' co-operatives. Intermediate Technology Publ.
Chicago-Zitierstil (17. Ausg.)Harper, Malcolm. Their Own Idea: Lessons from Workers' Co-operatives. London: Intermediate Technology Publ, 1992.
MLA-Zitierstil (9. Ausg.)Harper, Malcolm. Their Own Idea: Lessons from Workers' Co-operatives. Intermediate Technology Publ, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.