APA
Sinha P. E., . (1997). International encyclopaedia of tourism management, Vol.3: Ecotourism and mass tourism. New Delhi: Anmol Publications.
Chicago
Sinha PC Ed, . 1997. International encyclopaedia of tourism management, Vol.3: Ecotourism and mass tourism. New Delhi: Anmol Publications.
Harvard
Sinha P. E., . (1997). International encyclopaedia of tourism management, Vol.3: Ecotourism and mass tourism. New Delhi: Anmol Publications.
MLA
Sinha PC Ed, . International encyclopaedia of tourism management, Vol.3: Ecotourism and mass tourism. New Delhi: Anmol Publications. 1997.