Fall, A. A. (2000). A preliminary study of the standardization of the sixteen personality factor questionnaire (16PF) using a Malaysian sample. International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fall, Abdoul Aziz. A Preliminary Study of the Standardization of the Sixteen Personality Factor Questionnaire (16PF) Using a Malaysian Sample. Gombak, Selangor: International Islamic University Malaysia, 2000.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Fall, Abdoul Aziz. A Preliminary Study of the Standardization of the Sixteen Personality Factor Questionnaire (16PF) Using a Malaysian Sample. International Islamic University Malaysia, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.