Gordon, R. S. (2009). Information tomorrow. Information Today Inc.
Chicago-čujuhus (17. p.)Gordon, Rachel Singer. Information Tomorrow. New Jersey: Information Today Inc, 2009.
MLA-čujuhus (9. p.)Gordon, Rachel Singer. Information Tomorrow. Information Today Inc, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.