1. Carnegie Council on Policy Studies in Higher Education 1979 Giving Youth a Better Chance: Options for Education, Work, and Service. A Report, with Recommendations, of the Carnegie Council on Policy Studies in Higher Education. Jossey-Bass, San Francisco, California.
2. David H et al. 1981 The Vocational Education Study: The Final Report, US Government Printing Office, Washington, DC.
3. Vocational Education and Training: Impact on Youth: A Technical Report for the Carnegie Council on Policies in Higher Education;Grasso,1979
4. The Economic Evaluation of Vocational Training Programs;Zymelman,1976