Zalizan Mohd. Jelas, D. (1987). Structure-of-intellect factors as predictors of mathematics achievement among selected populations in Malaysia. George Washington University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zalizan Mohd. Jelas, Dato'. Structure-of-intellect Factors as Predictors of Mathematics Achievement Among Selected Populations in Malaysia. Washington, D. C.: George Washington University, 1987.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Zalizan Mohd. Jelas, Dato'. Structure-of-intellect Factors as Predictors of Mathematics Achievement Among Selected Populations in Malaysia. George Washington University, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.