Everett, E. The uses of astronomy.
Chicago-čujuhus (17. p.)Everett, Edward. The Uses of Astronomy.
MLA-čujuhus (9. p.)Everett, Edward. The Uses of Astronomy.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
APA-čujuhus (7. p.)