Sarngadharan, M. (2005). Tourism and sustainable economic development. New Century.
Citazione stile Chigago Style (17a edizione)Sarngadharan, M. Tourism and Sustainable Economic Development. New Delhi: New Century, 2005.
Citatione MLA (9a ed.)Sarngadharan, M. Tourism and Sustainable Economic Development. New Century, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.