Social Science Research Council (Great Britain). Survey Unit & Leggatt, T. W. (1974). Sociological theory and survey research: Institutional change and social policy in Great Britain. Sage Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Social Science Research Council (Great Britain). Survey Unit و T. W. Leggatt. Sociological Theory and Survey Research: Institutional Change and Social Policy in Great Britain. London ; Beverly Hills, California.: Sage Publications, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Social Science Research Council (Great Britain). Survey Unit و T. W. Leggatt. Sociological Theory and Survey Research: Institutional Change and Social Policy in Great Britain. Sage Publications, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.