APA (7e ed.) Bronvermelding

Harper, M. (1992). Their own idea: Lessons from workers' co-operatives. Intermediate Technology Publications.

Chicago (17e ed.) Bronvermelding

Harper, Malcolm. Their Own Idea: Lessons from Workers' Co-operatives. London: Intermediate Technology Publications, 1992.

MLA (8e ed.) Bronvermelding

Harper, Malcolm. Their Own Idea: Lessons from Workers' Co-operatives. Intermediate Technology Publications, 1992.