Puri, U. (2006). Teaching techniques. Pragun Publications.
Chicagoスタイル(17版)引用形式Puri, Usha. Teaching Techniques. New Delhi [India]: Pragun Publications, 2006.
MLA(9版)引用形式Puri, Usha. Teaching Techniques. Pragun Publications, 2006.
警告: この引用は必ずしも正確ではありません.