Association of Consulting Engineers, Singapore, & Fong, C. Y. (1978). Professional engineers and construction: Proceedings of the Association of Consulting Engineers, Singapore seminar, June 29-July 1, 1978. The Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Association of Consulting Engineers, Singapore, و Chan Yoon Fong. Professional Engineers and Construction: Proceedings of the Association of Consulting Engineers, Singapore Seminar, June 29-July 1, 1978. Singapore: The Association, 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Association of Consulting Engineers, Singapore, و Chan Yoon Fong. Professional Engineers and Construction: Proceedings of the Association of Consulting Engineers, Singapore Seminar, June 29-July 1, 1978. The Association, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.