Fox, G. F. Engines of the Gods.
Chicago Style (17th ed.) ZitazioaFox, Gardner F. Engines of the Gods.
MLA (9th ed.) ZitazioaFox, Gardner F. Engines of the Gods.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Fox, G. F. Engines of the Gods.
Chicago Style (17th ed.) ZitazioaFox, Gardner F. Engines of the Gods.
MLA (9th ed.) ZitazioaFox, Gardner F. Engines of the Gods.