Zeller, F. D. (1996). Devil's pact inside the world of the teamsters union. Carol Pub.
Lua i Stíl Chicago (17ú heag.)Zeller, FC Duke. Devil's Pact Inside the World of the Teamsters Union. Secaucus, N.J: Carol Pub, 1996.
Lua MLA (9ú heag.)Zeller, FC Duke. Devil's Pact Inside the World of the Teamsters Union. Carol Pub, 1996.
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