MacGregor, D. N. (1994). A study of public school and college administrators' opinions about the need for, the benefits from, and the constraints related to shared services in geographically isolated areas. State University of New York.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)MacGregor, Daniel Nold. A Study of Public School and College Administrators' Opinions About the Need for, the Benefits from, and the Constraints Related to Shared Services in Geographically Isolated Areas. Albany, N.Y.: State University of New York, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)MacGregor, Daniel Nold. A Study of Public School and College Administrators' Opinions About the Need for, the Benefits from, and the Constraints Related to Shared Services in Geographically Isolated Areas. State University of New York, 1994.