Hilbert, D. (1959). The foundations of geometry. Open Court.
Chicago-čujuhus (17. p.)Hilbert, David. The Foundations of Geometry. LaSalle: Open Court, 1959.
MLA-čujuhus (9. p.)Hilbert, David. The Foundations of Geometry. Open Court, 1959.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.