Singh, R. (1994). Tourism today Vol 2. Kanishka.
Cita Chicago (17th ed.)Singh, Ratandeep. Tourism Today Vol 2. Delhi: Kanishka, 1994.
Cita MLA (9th ed.)Singh, Ratandeep. Tourism Today Vol 2. Kanishka, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.