Fromm, G., & Taubman, P. (1968). Policy simulations with an econometric model. Brookings Institution.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fromm, Gary, و Paul Taubman. Policy Simulations with an Econometric Model. Washington: Brookings Institution, 1968.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Fromm, Gary, و Paul Taubman. Policy Simulations with an Econometric Model. Brookings Institution, 1968.