Falk, I. S. (1936). Security against sickness: A study of health insurance. Garden City, N.Y: Doubleday.
Παραπομπή Chicago StyleFalk, I. S. Security against Sickness: A Study of Health Insurance. Garden City, N.Y: Doubleday, 1936.
Παραπομπή MLAFalk, I. S. Security against Sickness: A Study of Health Insurance. Garden City, N.Y: Doubleday, 1936.
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