Gary Stanley Becker, Hoover Institution on War, Revolution, and Peace (1996). “The Economic Way of Looking at Behavior: The Nobel Lecture”, p.5, Hoover Press
Gary Stanley Becker, Hoover Institution on War, Revolution, and Peace (1996). “The Economic Way of Looking at Behavior: The Nobel Lecture”, p.5, Hoover Press
Francis Quarles (1844). “Enchiridion Institutions, Essays and Maxims, political, moral & divine. Divided into four centuries. By Francis Quarles”, p.69