APA (7th ed.) Citation

Sharma, B. R. (2006). World tourism in 21st century. Alfa Publications.

Chicago Style (17th ed.) Citation

Sharma, Bahadur Raj. World Tourism in 21st Century. New Delhi: Alfa Publications, 2006.

MLA (9th ed.) Citation

Sharma, Bahadur Raj. World Tourism in 21st Century. Alfa Publications, 2006.