Não informado. (1974). Explorations in economic research. National Bureau of Economic Research.
Style de citation Chicago (17e éd.)Não informado. Explorations in Economic Research. New York: National Bureau of Economic Research, 1974.
Style de citation MLA (8e éd.)Não informado. Explorations in Economic Research. National Bureau of Economic Research, 1974.
Attention : ces citations peuvent ne pas être correctes à 100%.