(2001). Public administration 01/02 (7th ed.). Boston: McGraw-Hill.
Chicago Style aipamenaPublic Administration 01/02. 7th ed. Boston: McGraw-Hill, 2001.
MLA aipamenaPublic Administration 01/02. 7th ed. Boston: McGraw-Hill, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.