Al-ameer, A. A., & Kebbe, M. Z. Y. (2015). Abstract and concrete noun in short-term memory: An experimental study \. Al-Imam Mohammed Bin Saud Islamic University,College Languages and Translation, Department of English Language and Literature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-ameer, Abdullah Alhasan, و Mohammed Ziad Yahya Kebbe. Abstract and Concrete Noun in Short-term Memory: An Experimental Study \. Riyadh: Al-Imam Mohammed Bin Saud Islamic University,College Languages and Translation, Department of English Language and Literature, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-ameer, Abdullah Alhasan, و Mohammed Ziad Yahya Kebbe. Abstract and Concrete Noun in Short-term Memory: An Experimental Study \. Al-Imam Mohammed Bin Saud Islamic University,College Languages and Translation, Department of English Language and Literature, 2015.