Singapore. Department of Statistics & Ajia Keizai Kenkyūjo (Japan). (1961). Singapore external trade statistics, including trade with the Federation of Malaya for the year ... Department of Statistics.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Singapore. Department of Statistics و Ajia Keizai Kenkyūjo (Japan). Singapore External Trade Statistics, Including Trade with the Federation of Malaya for the Year ... Singapore: Department of Statistics, 1961.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Singapore. Department of Statistics و Ajia Keizai Kenkyūjo (Japan). Singapore External Trade Statistics, Including Trade with the Federation of Malaya for the Year ... Department of Statistics, 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.