ebrary, Inc, & Hamilton, L. S. (2012). Improving school leadership through support, evaluation, and incentives: The Pittsburgh principal incentive program. RAND.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, و Laura S. Hamilton. Improving School Leadership Through Support, Evaluation, and Incentives: The Pittsburgh Principal Incentive Program. Santa Monica, Calif.: RAND, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, و Laura S. Hamilton. Improving School Leadership Through Support, Evaluation, and Incentives: The Pittsburgh Principal Incentive Program. RAND, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.