Schacht, J. P., McLennan, R. L., & Griswold, A. L. (1962). Contemporary geometry. Rinehart and Winston.
Lua i Stíl Chicago (17ú heag.)Schacht, John P., R L. McLennan, agus Alice L. Griswold. Contemporary Geometry. New York: Rinehart and Winston, 1962.
Lua MLA (9ú heag.)Schacht, John P., et al. Contemporary Geometry. Rinehart and Winston, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.