Sova, D. B. (2002). How to solve word problems in geometry (International edition.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Sova, Dawn B. How to Solve Word Problems in Geometry. International edition. New York: McGraw-Hill, 2002.
Lua MLA (9ú heag.)Sova, Dawn B. How to Solve Word Problems in Geometry. International edition. McGraw-Hill, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.