(1959). The book of popular science. Grolier Society.
Chicago-čujuhus (17. p.)The Book of Popular Science. New York: Grolier Society, 1959.
MLA-čujuhus (9. p.)The Book of Popular Science. Grolier Society, 1959.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.