Gulick, L., & James K. Pollock. (1962). A Report Submitted to the Central Board for the reorganization of the Machinery of Government. institute of National Planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gulick, Luther, و James K. Pollock. A Report Submitted to the Central Board for the Reorganization of the Machinery of Government. Cairo: institute of National Planning, 1962.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Gulick, Luther, و James K. Pollock. A Report Submitted to the Central Board for the Reorganization of the Machinery of Government. institute of National Planning, 1962.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.