Não informado. (1974). Explorations in economic research. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Não informado. Explorations in Economic Research. New York: National Bureau of Economic Research, 1974.
MLA-Zitierstil (8. Ausg.)Não informado. Explorations in Economic Research. National Bureau of Economic Research, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.