Sayer, J. (2005). The Earthscan reader in forestry and development. Earthscan.
Chicago-viite (17. p.)Sayer, Jeffrey. The Earthscan Reader in Forestry and Development. London: Earthscan, 2005.
MLA-viite (9. p.)Sayer, Jeffrey. The Earthscan Reader in Forestry and Development. Earthscan, 2005.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.