APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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