McMillen, M. M., Whitener, S. D., & Kaufman, P. (1994). Dropout Rates in the United States: 1993. United States Department of Education, Office of Educational Research and Improvement.
Chicago-Zitierstil (17. Ausg.)McMillen, Marilyn M., Summer D. Whitener, und Phillip Kaufman. Dropout Rates in the United States: 1993. [Erscheinungsort nicht ermittelbar]: United States Department of Education, Office of Educational Research and Improvement, 1994.
MLA-Zitierstil (9. Ausg.)McMillen, Marilyn M., et al. Dropout Rates in the United States: 1993. United States Department of Education, Office of Educational Research and Improvement, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.