APA (7th ed.) Citation

Liew, Y. W. (2006). The effectiveness of geometer's sketchpad on students' spatial visualization abilities in polygons.

Chicago Style (17th ed.) Citation

Liew, Yit Wah. The Effectiveness of Geometer's Sketchpad on Students' Spatial Visualization Abilities in Polygons. 2006.

MLA (8th ed.) Citation

Liew, Yit Wah. The Effectiveness of Geometer's Sketchpad on Students' Spatial Visualization Abilities in Polygons. 2006.

Warning: These citations may not always be 100% accurate.