McColvin, L. R. (1942). The public library system of Great Britain: A report on its present condition with proposals for post war reorganization. The Library association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)McColvin, Lionel R. The Public Library System of Great Britain: A Report on Its Present Condition with Proposals for Post War Reorganization. London: The Library association, 1942.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)McColvin, Lionel R. The Public Library System of Great Britain: A Report on Its Present Condition with Proposals for Post War Reorganization. The Library association, 1942.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.