Zwerdling, D. (1980). Workplace democracy: A guide to workplace ownership, participation, etc. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Zwerdling, Daniel. Workplace Democracy: A Guide to Workplace Ownership, Participation, Etc. New York: Harper & Row, 1980.
Lua MLA (9ú heag.)Zwerdling, Daniel. Workplace Democracy: A Guide to Workplace Ownership, Participation, Etc. Harper & Row, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.