Hussar, W. J. ;. G. (2020). Project of education statistics to 2006 (25th ed.). National Center for Education Statistics.
استشهاد بنمط شيكاغوHussar, William J. ; Gerald. Project of Education Statistics to 2006 (25th Ed.). National Center for Education Statistics, 2020.
MLA استشهادHussar, William J. ; Gerald. Project of Education Statistics to 2006 (25th Ed.). National Center for Education Statistics, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.