Lang, S., & Murrow, G. (1988). Geometry: A high school course (2a. ed.). Springer-Verlag.
Chicago-čujuhus (17. p.)Lang, Serge, juo Gene Murrow. Geometry: A High School Course. 2a. ed. Nueva York: Springer-Verlag, 1988.
MLA-čujuhus (9. p.)Lang, Serge, juo Gene Murrow. Geometry: A High School Course. 2a. ed. Springer-Verlag, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.