Abun, N. (2008). A survey on the factors affecting the writing ability of pupils in English: A case study of primary six pupils of SK. St. Stephen, Bau / Nyolet Abun.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abun, Nyolet. A Survey on the Factors Affecting the Writing Ability of Pupils in English: A Case Study of Primary Six Pupils of SK. St. Stephen, Bau / Nyolet Abun. 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Abun, Nyolet. A Survey on the Factors Affecting the Writing Ability of Pupils in English: A Case Study of Primary Six Pupils of SK. St. Stephen, Bau / Nyolet Abun. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.