Grolier international. (1987). Grolier academic encyclopedia: Vol :15. Grolier international, Acamedic American.
Chicago-čujuhus (17. p.)Grolier international. Grolier Academic Encyclopedia: Vol :15. USA: Grolier international, Acamedic American, 1987.
MLA-čujuhus (9. p.)Grolier international. Grolier Academic Encyclopedia: Vol :15. Grolier international, Acamedic American, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.