(1992). McGraw-Hill encyclopedia of science & techno-: Logy: an international reference work in (7th ed.). McGraw-Hill.
Chicago-čujuhus (17. p.)McGraw-Hill Encyclopedia of Science & Techno-: Logy: An International Reference Work in. 7th ed. New York: McGraw-Hill, 1992.
MLA-čujuhus (9. p.)McGraw-Hill Encyclopedia of Science & Techno-: Logy: An International Reference Work in. 7th ed. McGraw-Hill, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.