Al Qudhai'een, . M. A. I. (2003). The Syntax of Saudi Arabic-English Intrasentential Codeswitching. The University Arizona, Faculty of the Graduate Interdisciplinary PH.D Program in Second Language Acquisition and Teaching.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al Qudhai'een, Muhammad A. I. The Syntax of Saudi Arabic-English Intrasentential Codeswitching. U S A: The University Arizona, Faculty of the Graduate Interdisciplinary PH.D Program in Second Language Acquisition and Teaching, 2003.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al Qudhai'een, Muhammad A. I. The Syntax of Saudi Arabic-English Intrasentential Codeswitching. The University Arizona, Faculty of the Graduate Interdisciplinary PH.D Program in Second Language Acquisition and Teaching, 2003.