Serviss, G. P. Edison's Conquest of Mars.
Chicago-čujuhus (17. p.)Serviss, Garrett Putman. Edison's Conquest of Mars.
MLA-čujuhus (9. p.)Serviss, Garrett Putman. Edison's Conquest of Mars.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.