Association of University Teachers of Economics, Nobay, A. R., & Parkin, M. (1973). Essays in modern economics: The proceedings [of the Annual Conference] of the Association of University Teachers of Economics, Aberystwyth 1972. Longman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Association of University Teachers of Economics, Arelino Romeo Nobay, و Michael Parkin. Essays in Modern Economics: The Proceedings [of the Annual Conference] of the Association of University Teachers of Economics, Aberystwyth 1972. [London]: Longman, 1973.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Association of University Teachers of Economics, et al. Essays in Modern Economics: The Proceedings [of the Annual Conference] of the Association of University Teachers of Economics, Aberystwyth 1972. Longman, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.