Fabricant, S. (1966). The relation between factory employment and output since 1899. National Bureau of Economic Research Ann Arbor : University Microfilms.
Cita Chicago (17th ed.)Fabricant, Solomon. The Relation Between Factory Employment and Output Since 1899. New York: National Bureau of Economic Research Ann Arbor : University Microfilms, 1966.
Cita MLA (8th ed.)Fabricant, Solomon. The Relation Between Factory Employment and Output Since 1899. National Bureau of Economic Research Ann Arbor : University Microfilms, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.