Suryadi, A. (1986). Determinants of differential mathematics performance among poor-rural children in Indonesian junior secondary school. State University at Albany.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Suryadi, Ace. Determinants of Differential Mathematics Performance Among Poor-rural Children in Indonesian Junior Secondary School. Albany: State University at Albany, 1986.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Suryadi, Ace. Determinants of Differential Mathematics Performance Among Poor-rural Children in Indonesian Junior Secondary School. State University at Albany, 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.