Hamdallah, R. W. (1988). Syntactic errors in written English: Study of errors made by Arab students of English. University of Lancaster.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hamdallah, Rami W. Syntactic Errors in Written English: Study of Errors Made by Arab Students of English. Lancaster: University of Lancaster, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hamdallah, Rami W. Syntactic Errors in Written English: Study of Errors Made by Arab Students of English. University of Lancaster, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.