Gaya APA

Bhaskara, I, R, D., Madhava, I, S. (2006). Techniques of teaching geography . New Delhi: New Delhi: Sonali, 2006.

Gaya MLA

Bhaskara, I., Rao,, D., Madhava, I., Surya. "Techniques of teaching geography". New Delhi: New Delhi: Sonali, 2006, 2006. .