Sova, D. B. (2002). How to solve word problems in geometry (International edition.). McGraw-Hill.
Cita Chicago (17th ed.)Sova, Dawn B. How to Solve Word Problems in Geometry. International edition. New York: McGraw-Hill, 2002.
Cita MLA (9th ed.)Sova, Dawn B. How to Solve Word Problems in Geometry. International edition. McGraw-Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.