Coombs, P. H., Ahmed, M., & Prosser, R. (1973). New paths to learning for rural children and youth. International Council for Educational Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Coombs, Philip Hall, Manzoor Ahmed, و Roy Prosser. New Paths to Learning for Rural Children and Youth. [New York: International Council for Educational Development, 1973.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Coombs, Philip Hall, et al. New Paths to Learning for Rural Children and Youth. International Council for Educational Development, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.