Stranges, F. E. (1985). The ufo conspiracy: Illustrated. I.E.C. Publishing Company.
Chicago Style (17th ed.) ZitazioaStranges, Frank E. The Ufo Conspiracy: Illustrated. California: I.E.C. Publishing Company, 1985.
MLA (9th ed.) ZitazioaStranges, Frank E. The Ufo Conspiracy: Illustrated. I.E.C. Publishing Company, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.