National Conference on Public Service Employment, New York University. New Careers Development Center, Gartner, A., Nixon, R. A., & Riessman, F. (1973). Public service employment: An analysis of its history, problems, and prospects. Praeger.

National Conference on Public Service Employment, New York University. New Careers Development Center, Alan Gartner, R. A. Nixon, и Frank Riessman. Public Service Employment: An Analysis of Its History, Problems, and Prospects. New York: Praeger, 1973.

National Conference on Public Service Employment, et al. Public Service Employment: An Analysis of Its History, Problems, and Prospects. Praeger, 1973.