Boehm, R., & Heldman, D. C. (1982). Public employees, unions, and the erosion of civic trust: A study of San Francisco in the 1970's. University Publications of America.
Lua i Stíl Chicago (17ú heag.)Boehm, Randolph, agus Dan C. Heldman. Public Employees, Unions, and the Erosion of Civic Trust: A Study of San Francisco in the 1970's. Frederick, Md.: University Publications of America, 1982.
Lua MLA (8ú heag.)Boehm, Randolph, agus Dan C. Heldman. Public Employees, Unions, and the Erosion of Civic Trust: A Study of San Francisco in the 1970's. University Publications of America, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.