1. Managing Within Networks: Adding Value to Public Organizations;Agranoff,2007
2. Barettino, D., Vallejo, M., Gallego, E. (Eds.), 1999. Towards the Balanced Management and Conservation of the Geological Heritage in the New Millenium. SGE, Madrid.
3. Barettino, D., Wimbledon, W.A.P., Gallego, E. (Eds.), 2000. Geological Heritage: Its Conservation and Management. ITGE, Madrid.
4. Legal frameworks for collaboration in governance and public management;Blomgren Bingham,2008
5. The National Heritage Resource Act (1999): can legislation protect South Africa's rare geoheritage resources;Cairncross;Resources Policy,2011