Al-Buanain, H. A. F. (1988). Second language acquisition of Arabic: The development of negation and interrogation among learners in the U.K. Dar al-Thakafa.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Buanain, Haifa Abdallah F. Second Language Acquisition of Arabic: The Development of Negation and Interrogation Among Learners in the U.K. [Doha], Qatar: Dar al-Thakafa, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Buanain, Haifa Abdallah F. Second Language Acquisition of Arabic: The Development of Negation and Interrogation Among Learners in the U.K. Dar al-Thakafa, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.