Kennedy, J. B. (2003). Space, time and Einstein: An introduction. Acumen.
Chicago Style (17th ed.) ZitazioaKennedy, J. B. Space, Time and Einstein: An Introduction. Chesham [England]: Acumen, 2003.
MLA (9th ed.) ZitazioaKennedy, J. B. Space, Time and Einstein: An Introduction. Acumen, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.