(2006). User's Guide to Computing High School Graduation Rates, Volume 2: Technical Evaluation of Proxy Graduation Indicators. U.S. Department of Education.
Chicago-Zitierstil (17. Ausg.)User's Guide to Computing High School Graduation Rates, Volume 2: Technical Evaluation of Proxy Graduation Indicators. U.S. Department of Education, 2006.
MLA-Zitierstil (9. Ausg.)User's Guide to Computing High School Graduation Rates, Volume 2: Technical Evaluation of Proxy Graduation Indicators. U.S. Department of Education, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.