Hopkins, C. O. (1979). Data sources for vocational education evaluation. National Center for Research in Vocational Education, the Ohio State Univ.
Chicago-Zitierstil (17. Ausg.)Hopkins, Charles O. Data Sources for Vocational Education Evaluation. Columbus, Ohio: National Center for Research in Vocational Education, the Ohio State Univ, 1979.
MLA-Zitierstil (9. Ausg.)Hopkins, Charles O. Data Sources for Vocational Education Evaluation. National Center for Research in Vocational Education, the Ohio State Univ, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.