Fischer, G. P. (1991). A Lewinian field analysis of purposive change processes in human service organizations: The introduction of strategic time management into three non - profit social service agencies. Columbia University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fischer, Glenna Pohly. A Lewinian Field Analysis of Purposive Change Processes in Human Service Organizations: The Introduction of Strategic Time Management into Three Non - Profit Social Service Agencies. New York, NY.: Columbia University, 1991.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Fischer, Glenna Pohly. A Lewinian Field Analysis of Purposive Change Processes in Human Service Organizations: The Introduction of Strategic Time Management into Three Non - Profit Social Service Agencies. Columbia University, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.