British Association for the Advancement of Science. Section F (Economics) & Wiseman, J. (1983). Beyond positive economics ?: Proceedings of Section F (Economics) of the British Association for the Advancement of Science, York, 1981. St. Martin's Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)British Association for the Advancement of Science. Section F (Economics) و Jack Wiseman. Beyond Positive Economics ?: Proceedings of Section F (Economics) of the British Association for the Advancement of Science, York, 1981. New York: St. Martin's Press, 1983.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)British Association for the Advancement of Science. Section F (Economics) و Jack Wiseman. Beyond Positive Economics ?: Proceedings of Section F (Economics) of the British Association for the Advancement of Science, York, 1981. St. Martin's Press, 1983.