APA引文

Sarojini Devi Algaretnam. (1989). Van Hiele levels of geometric thought in relation to similarity and congruence in triangles.

Chicago Style (17th ed.) Citation

Sarojini Devi Algaretnam. Van Hiele Levels of Geometric Thought in Relation to Similarity and Congruence in Triangles. 1989.

MLA引文

Sarojini Devi Algaretnam. Van Hiele Levels of Geometric Thought in Relation to Similarity and Congruence in Triangles. 1989.

警告：这些引文格式不一定是100％准确.