Sinha, R. (1996). Tourism: Strategies,planning and development. Commonwealth.
Cita Chicago (17th ed.)Sinha, R. Tourism: Strategies,planning and Development. New delhi: Commonwealth, 1996.
Cita MLA (9th ed.)Sinha, R. Tourism: Strategies,planning and Development. Commonwealth, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.