DAVIS, T. A. (1967). Analytic geometry: A programmed text. McGraw-Hill.
Chicago-čujuhus (17. p.)DAVIS, Thomas A. Analytic Geometry: A Programmed Text. New York: McGraw-Hill, 1967.
MLA-čujuhus (9. p.)DAVIS, Thomas A. Analytic Geometry: A Programmed Text. McGraw-Hill, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.