APA-čujuhus (7. p.)
Ludvigsen, M. (1999). General relativity: A geometric approach. Cambridge University Press.
Chicago-čujuhus (17. p.)
Ludvigsen, Malcolm. General Relativity: A Geometric Approach. Cambridge ; New York: Cambridge University Press, 1999.
MLA-čujuhus (9. p.)
Ludvigsen, Malcolm. General Relativity: A Geometric Approach. Cambridge University Press, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.