Schneier, E. V., & Gross, B. M. (1993). Legislative strategy: Shaping public policy. New York: St. Martin's Press.
Chicago Style aipamenaSchneier, Edward V., và Bertram Myron Gross. Legislative Strategy: Shaping Public Policy. New York: St. Martin's Press, 1993.
MLA aipamenaSchneier, Edward V., và Bertram Myron Gross. Legislative Strategy: Shaping Public Policy. New York: St. Martin's Press, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.