Ong, Y. J. (1990). The investment performance of common stocks in KLSE in relation to their price-earnings ratios and sizes: A test of the efficient market hypothesis.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ong, Yew Jin. The Investment Performance of Common Stocks in KLSE in Relation to Their Price-earnings Ratios and Sizes: A Test of the Efficient Market Hypothesis. 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ong, Yew Jin. The Investment Performance of Common Stocks in KLSE in Relation to Their Price-earnings Ratios and Sizes: A Test of the Efficient Market Hypothesis. 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.