Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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