Falk, I. S. (1936). Security against sickness: A study of health insurance. Doubleday, doran.
Chicago-referens (17:e uppl.)Falk, Isidore Sydney. Security Against Sickness: A Study of Health Insurance. Garden City, NY: Doubleday, doran, 1936.
MLA-referens (9:e uppl.)Falk, Isidore Sydney. Security Against Sickness: A Study of Health Insurance. Doubleday, doran, 1936.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.