(1957). Theory and Practice of Modern Government (Revised ed.). Henry Holt and Company.
Chicago Style (17th ed.) ZitazioaTheory and Practice of Modern Government. Revised ed. USA: Henry Holt and Company, 1957.
MLA (9th ed.) ZitazioaTheory and Practice of Modern Government. Revised ed. Henry Holt and Company, 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.