Day, N. L. (1972). Further education and employment: A case study of technical education and industrial employment. Society for Research into Higher Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Day, Norman L. Further Education and Employment: A Case Study of Technical Education and Industrial Employment. London: Society for Research into Higher Education, 1972.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Day, Norman L. Further Education and Employment: A Case Study of Technical Education and Industrial Employment. Society for Research into Higher Education, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.