Krishna Kumar; Author. (2009). What is worth teaching (4th ed.).
Style de citation ChicagoKrishna Kumar; Author. What Is Worth Teaching. 4th ed. Hyderabad, Orient BlackSwan Private Ltd, 2009.
Style de citation MLAKrishna Kumar; Author. What Is Worth Teaching. 4th ed. 2009.
Attention : ces citations peuvent ne pas être correctes à 100%.