Singapore. Customs and Excise. Annual report of the Customs and Excise, for the year. To be purchased from Govt. Publications Bureau.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Singapore. Customs and Excise. Annual Report of the Customs and Excise, for the Year. Singapore: To be purchased from Govt. Publications Bureau.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Singapore. Customs and Excise. Annual Report of the Customs and Excise, for the Year. To be purchased from Govt. Publications Bureau.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.