Παραπομπή APA

Brown, D. J. (1972). American philosophy of social security: Evolution and issues. Princeton university press.

Παραπομπή Chicago Style

Brown, Douglas J. American Philosophy of Social Security: Evolution and Issues. New Jersy: Princeton university press, 1972.

Παραπομπή MLA

Brown, Douglas J. American Philosophy of Social Security: Evolution and Issues. Princeton university press, 1972.