APA Citation

Asthana, & Asthana. (2007). A textbook of environmental (for undergraduate student). New Delhi: S. Chand & Company Ltd.

Chicago Style Citation

Asthana, and Asthana. A Textbook of Environmental (for Undergraduate Student). New Delhi: S. Chand & Company Ltd, 2007.

MLA Citation

Asthana, and Asthana. A Textbook of Environmental (for Undergraduate Student). New Delhi: S. Chand & Company Ltd, 2007.

Warning: These citations may not always be 100% accurate.