APA (7th ed.) Zitazioa
Richelson, J. (2016). The U.S. intelligence community (Seventh edition.). Westview Press, A Member of the Perseus Books Group.
Chicago Style (17th ed.) Zitazioa
Richelson, Jeffrey. The U.S. Intelligence Community. Seventh edition. Boulder, Colorado: Westview Press, A Member of the Perseus Books Group, 2016.
MLA (9th ed.) Zitazioa
Richelson, Jeffrey. The U.S. Intelligence Community. Seventh edition. Westview Press, A Member of the Perseus Books Group, 2016.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.