Ingram, H., & Smith, S. (1993). Public Policy for Democracy. Frank Cass.
Chicago Style aipamenaIngram, Helen, and Steven Smith. Public Policy for Democracy. Utteer Pradesh: Frank Cass, 1993.
MLA aipamenaIngram, Helen, and Steven Smith. Public Policy for Democracy. Frank Cass, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.