Haveman, R. H. (2003). Human capital in the United States from 1975 to 2000: Patterns of growth and utilization. W.E. Upjohn Institute for Employment Research.
Chicago-Zitierstil (17. Ausg.)Haveman, Robert H. Human Capital in the United States from 1975 to 2000: Patterns of Growth and Utilization. Kalamazoo, Mich: W.E. Upjohn Institute for Employment Research, 2003.
MLA-Zitierstil (9. Ausg.)Haveman, Robert H. Human Capital in the United States from 1975 to 2000: Patterns of Growth and Utilization. W.E. Upjohn Institute for Employment Research, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.