Grolier International. (1987). Grolier Academic Encyclopedia. Grolier International,Academic American.
Chicago-čujuhus (17. p.)Grolier International. Grolier Academic Encyclopedia. USA: Grolier International,Academic American, 1987.
MLA-čujuhus (9. p.)Grolier International. Grolier Academic Encyclopedia. Grolier International,Academic American, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.