Poongkodi, G. (2009). The usage of geometer's sketchpad in learning circles by form four students.
Chicago Style (17th ed.) CitationPoongkodi, Ganapathy. The Usage of Geometer's Sketchpad in Learning Circles by Form Four Students. 2009.
MLA引文Poongkodi, Ganapathy. The Usage of Geometer's Sketchpad in Learning Circles by Form Four Students. 2009.
警告：这些引文格式不一定是100％准确.