University Council for Educational Administration, Jackson, B. L., Duke, D. L., & Kochan, F. K. (1999). A thousand voices from the firing line: A study of educational leaders, their jobs, their preparation, and the problems they face. University Council for Educational Administration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University Council for Educational Administration, Barbara L. Jackson, Daniel L. Duke, و Frances K. Kochan. A Thousand Voices from the Firing Line: A Study of Educational Leaders, Their Jobs, Their Preparation, and the Problems They Face. Columbia, Mo.: University Council for Educational Administration, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University Council for Educational Administration, et al. A Thousand Voices from the Firing Line: A Study of Educational Leaders, Their Jobs, Their Preparation, and the Problems They Face. University Council for Educational Administration, 1999.