Chumvichitra, P. (1976). A comparative study of trade patterns of the Philippines and Thailand: 1900-1935. Institute of Economic Development and Research, School of Economics, University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chumvichitra, Pichai. A Comparative Study of Trade Patterns of the Philippines and Thailand: 1900-1935. [Quezon City]: Institute of Economic Development and Research, School of Economics, University of the Philippines, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Chumvichitra, Pichai. A Comparative Study of Trade Patterns of the Philippines and Thailand: 1900-1935. Institute of Economic Development and Research, School of Economics, University of the Philippines, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.