Nik Rasli Nik Mansor. (1994). The Development of an instrument to measure two aspects of cognitive development among Malaysian college students. Indiana University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nik Rasli Nik Mansor. The Development of an Instrument to Measure Two Aspects of Cognitive Development Among Malaysian College Students. Bloomington: Indiana University Press, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nik Rasli Nik Mansor. The Development of an Instrument to Measure Two Aspects of Cognitive Development Among Malaysian College Students. Indiana University Press, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.