Russell, B. (1958). The ABC of relativity. Signet Sience Library.
Chicago-čujuhus (17. p.)Russell, Bertrand. The ABC of Relativity. Nueva York: Signet Sience Library, 1958.
MLA-čujuhus (9. p.)Russell, Bertrand. The ABC of Relativity. Signet Sience Library, 1958.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.