(2003). Discover science almanac: The definitive science resource. Hyperion.
Chicago-čujuhus (17. p.)Discover Science Almanac: The Definitive Science Resource. New York: Hyperion, 2003.
MLA-čujuhus (9. p.)Discover Science Almanac: The Definitive Science Resource. Hyperion, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.