Williams, B. (1994). The modern world. Peter Bedrick.
Chicago-čujuhus (17. p.)Williams, Brian. The Modern World. New York: Peter Bedrick, 1994.
MLA-čujuhus (9. p.)Williams, Brian. The Modern World. Peter Bedrick, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.