Παραπομπή σε μορφή APA (7η εκδ.)

Nelson, R. L. (1970). Economic factors in growth of corporation giving. National Bureau of Economic Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nelson, Ralph Lowell. Economic Factors in Growth of Corporation Giving. New York: National Bureau of Economic Research, 1970.

Παραπομπή σε μορφή MLA (9th εκδ.)

Nelson, Ralph Lowell. Economic Factors in Growth of Corporation Giving. National Bureau of Economic Research, 1970.