Brown, D. J. (1972). American philosophy of social security: Evolution and issues. Princeton university press.
استشهاد بنمط شيكاغوBrown, Douglas J. American Philosophy of Social Security: Evolution and Issues. New Jersy: Princeton university press, 1972.
MLA استشهادBrown, Douglas J. American Philosophy of Social Security: Evolution and Issues. Princeton university press, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.