Hardin, R. (1995). One for all: The logic of group conflict. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Hardin, Russell. One for All: The Logic of Group Conflict. Princeton, N.J.: Princeton University Press, 1995.
Lua MLA (9ú heag.)Hardin, Russell. One for All: The Logic of Group Conflict. Princeton University Press, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.