Turner, R. C. (1968). Forecasting in Southeast Asian countries. Institute of Economic Development and Research, School of Economics, University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Turner, Robert Clemens. Forecasting in Southeast Asian Countries. [Quezon City]: Institute of Economic Development and Research, School of Economics, University of the Philippines, 1968.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Turner, Robert Clemens. Forecasting in Southeast Asian Countries. Institute of Economic Development and Research, School of Economics, University of the Philippines, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.