Brenton, T. The greening of Machiavelli: The evolution of international environmental politics. Royal Institute of International Affairs, Energy and Environmental Programme: Earthscan.
Chicago-viite (17. p.)Brenton, Tony. The Greening of Machiavelli: The Evolution of International Environmental Politics. Royal Institute of International Affairs, Energy and Environmental Programme: Earthscan.
MLA-viite (8. p.)Brenton, Tony. The Greening of Machiavelli: The Evolution of International Environmental Politics. Royal Institute of International Affairs, Energy and Environmental Programme: Earthscan.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.