Heckman, J. J. (1993). Assessing Clinton's program on job training, workfare, and education in the workplace.
Chicago-Zitierstil (17. Ausg.)Heckman, James J. Assessing Clinton's Program on Job Training, Workfare, and Education in the Workplace. Cambridge, Mass, 1993.
MLA-Zitierstil (9. Ausg.)Heckman, James J. Assessing Clinton's Program on Job Training, Workfare, and Education in the Workplace. 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.