Tan, G. P. (1971). A systems study of the location and operation of Public Works Department depots in Singapore.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tan, Gee Paw. A Systems Study of the Location and Operation of Public Works Department Depots in Singapore. Singapore, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Tan, Gee Paw. A Systems Study of the Location and Operation of Public Works Department Depots in Singapore. 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.