Reference

Crofts R, Gordon JE & Santucci VL (2015). Geoconservation in protected areas. In: Worboys GL, Lockwood M, Kothari A, Feary S & Pulsford I (eds), Protected area governance and management, ANU Press, Canberra, 531–568.
UNESCO (United Nations Educational, Scientific and Cultural Organization) (2021). UNESCO Global Geoparks (UGGp), UNESCO, Paris, 14 April 2021, https://en.unesco.org/global-geoparks.