Allardt, E., & Hammond, N. K. (1973). Social science and the new societies: Problems in cross-cultural research and theory building. Social Science Research Bureau, Michigan State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Allardt, Erik, و Nancy K. Hammond. Social Science and the New Societies: Problems in Cross-cultural Research and Theory Building. East Lansing: Social Science Research Bureau, Michigan State University, 1973.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Allardt, Erik, و Nancy K. Hammond. Social Science and the New Societies: Problems in Cross-cultural Research and Theory Building. Social Science Research Bureau, Michigan State University, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.