Puzo, M. (2000). Omerta (First edition.). Random House.
Chicago Style (17th ed.) ZitazioaPuzo, Mario. Omerta. First edition. New York: Random House, 2000.
MLA (9th ed.) ZitazioaPuzo, Mario. Omerta. First edition. Random House, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.