Leithwood, K., & Steinbach Rosanne. (1995). Expert Problem solving: Evidence from school and district leaders. State University of New York Prees.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Leithwood, Kenneth, و Steinbach Rosanne. Expert Problem Solving: Evidence from School and District Leaders. Albany, Estados Unidos: State University of New York Prees, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Leithwood, Kenneth, و Steinbach Rosanne. Expert Problem Solving: Evidence from School and District Leaders. State University of New York Prees, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.