Nelson, R. L. (1970). Economic factors in the growth of corporation giving. National Bureau of Economic Research.
Цитирование в стиле Чикаго (17-е изд.)Nelson, Ralph Lowell. Economic Factors in the Growth of Corporation Giving. New York: National Bureau of Economic Research, 1970.
Цитирование MLA (9-е изд.)Nelson, Ralph Lowell. Economic Factors in the Growth of Corporation Giving. National Bureau of Economic Research, 1970.
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