APA
Batra S., . (2002). 20 Minutes to total fitness. New Delhi: Penguin Books India (P) Ltd.
Chicago
Batra Shelly, . 2002. 20 Minutes to total fitness. New Delhi: Penguin Books India (P) Ltd.
Harvard
Batra S., . (2002). 20 Minutes to total fitness. New Delhi: Penguin Books India (P) Ltd.
MLA
Batra Shelly, . 20 Minutes to total fitness. New Delhi: Penguin Books India (P) Ltd. 2002.