Chakerian, G. (1987). Geometry - a guided inquiry. Sunburst Comm..
Lua i Stíl Chicago (17ú heag.)Chakerian, G.D. Geometry - a Guided Inquiry. New York: Sunburst Comm., 1987.
Lua MLA (9ú heag.)Chakerian, G.D. Geometry - a Guided Inquiry. Sunburst Comm., 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.