Conference and Workshop on Non-formal Education and the Rural Poor. 2d., Michigan State University, Michigan State University. Program of Studies in Non-formal Education, Niehoff, R. O., & Neff, K. L. (1977). Report of Conference and Workshop on Non-Formal Education and the Rural Poor. Institute for International Studies in Education, College of Education, Michigan State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Conference and Workshop on Non-formal Education and the Rural Poor. 2d., Michigan State University, Michigan State University. Program of Studies in Non-formal Education, Richard O. Niehoff, و Kenneth L. Neff. Report of Conference and Workshop on Non-Formal Education and the Rural Poor. [East Lansing]: Institute for International Studies in Education, College of Education, Michigan State University, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Conference and Workshop on Non-formal Education and the Rural Poor. 2d., Michigan State University, et al. Report of Conference and Workshop on Non-Formal Education and the Rural Poor. Institute for International Studies in Education, College of Education, Michigan State University, 1977.