Choo, S. L. (1997). Promotion and problems of small and medium scale industries: A survey of awareness on facilities and incentives among entrepreneurs in the Klang Valley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Choo, Sau Ling. Promotion and Problems of Small and Medium Scale Industries: A Survey of Awareness on Facilities and Incentives Among Entrepreneurs in the Klang Valley. 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Choo, Sau Ling. Promotion and Problems of Small and Medium Scale Industries: A Survey of Awareness on Facilities and Incentives Among Entrepreneurs in the Klang Valley. 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.