Jorland, G. The Coming into Being and Passing Away of Value Theories in Economics (1776-1976): Gérard Jorland. Biographies of scientific objects : [. papers presented at a conference on "The Coming into Being and Passing Away of Scientific Objects" held in september 1995 at the Max Planck Institute for the History of Science in Berlin].(2000).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jorland, Gérard. "The Coming into Being and Passing Away of Value Theories in Economics (1776-1976): Gérard Jorland." Biographies of Scientific Objects : [. Papers Presented at a Conference on "The Coming into Being and Passing Away of Scientific Objects" Held in September 1995 at the Max Planck Institute for the History of Science in Berlin].(2000) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Jorland, Gérard. "The Coming into Being and Passing Away of Value Theories in Economics (1776-1976): Gérard Jorland." Biographies of Scientific Objects : [. Papers Presented at a Conference on "The Coming into Being and Passing Away of Scientific Objects" Held in September 1995 at the Max Planck Institute for the History of Science in Berlin].(2000), .