Divine, R. A. (2000). Perpetual war for perpetual peace. Texas A & M University Press.
Chicago Style (17th ed.) ZitazioaDivine, Robert A. Perpetual War for Perpetual Peace. College Station: Texas A & M University Press, 2000.
MLA (9th ed.) ZitazioaDivine, Robert A. Perpetual War for Perpetual Peace. Texas A & M University Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.