Encyclopaedia of ecotourism (v.1)/

Míreanna Comhchosúla

• Encyclopaedia of ecotourism (v.2)/
  le: P C Sinha (ed.)
  Foilsithe: (2003)
• Encyclopaedia of ecotourism (v.3)/
  le: P C Sinha (ed.)
  Foilsithe: (2003)
• Encyclopaedia of the ecotourism
  le: Trivedi, Priya Ranjan
  Foilsithe: (2006)
• International encyclopaedia of sustainable and ecotourism (vol.1) : ecotourism and sustainable development
  le: Romila Chawla
  Foilsithe: (2011)
• Encyclopaedia of travel, tourism and ecotourism Vol-1 /
  le: P. C Sinha
  Foilsithe: (2005)