Faraji, R. (2023). Private conservation and private reserves: From necessity to law. IranShanasi Publications.

Challender, D. W. S., & Cooney, R. (2016). Informing decisions on trophy hunting: A briefing paper for European Union decision‐makers regarding potential plans for restriction of imports of hunting trophies. International Union for the Conservation of Nature.

Stolton, S., Redford, K. H., & Dudley, N. (2014). The futures of privately protected areas. A project funded by the Linden Trust for Conservation published by IUCN WCPA with the CBD and UNEP-WCMC. Gland, Switzerland: IUCN.

Mitchell, B. A., Stolton, S., Bezaury-Creel, J., Bingham, H. C., Cumming, T. L., Dudley, N., Fitzsimons, J. A., Malleret-King, D., Redford, K. H., & Solano, P. (2018). Guidelines for privately protected areas (Best Practice Protected Area Guidelines Series No. 29). Gland, Switzerland: IUCN.