Ingraham, P. W., Kettl, D. F., & Levine, C. H. (1992). Agenda for excellence: Public service in America. Chatham House.
Lua i Stíl Chicago (17ú heag.)Ingraham, Patricia W., Donald F. Kettl, agus Charles H. Levine. Agenda for Excellence: Public Service in America. Chatham, N.J: Chatham House, 1992.
Lua MLA (9ú heag.)Ingraham, Patricia W., et al. Agenda for Excellence: Public Service in America. Chatham House, 1992.
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