(1964). ABC of relativity. Allen & Unwin.
Chicago Style (17th ed.) ZitazioaABC of Relativity. London: Allen & Unwin, 1964.
MLA (9th ed.) ZitazioaABC of Relativity. Allen & Unwin, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1964). ABC of relativity. Allen & Unwin.
Chicago Style (17th ed.) ZitazioaABC of Relativity. London: Allen & Unwin, 1964.
MLA (9th ed.) ZitazioaABC of Relativity. Allen & Unwin, 1964.