Lettow, P. V. (2010). Strengthening the nuclear nonproliferation regime. Council on Foreign Relations.
Chicago-referens (17:e uppl.)Lettow, Paul Vorbeck. Strengthening the Nuclear Nonproliferation Regime. New York: Council on Foreign Relations, 2010.
MLA-referens (9:e uppl.)Lettow, Paul Vorbeck. Strengthening the Nuclear Nonproliferation Regime. Council on Foreign Relations, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.