Barakat, A., & Eliwa, A. (2011). Vagueness and gradable adjectives: A semantic analysis. Imam Muhammad Ibn Saud Islamic University,College of Languages and Translation, Department of English Language and Literature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Barakat, Ahmed, و Abdulhamid Eliwa. Vagueness and Gradable Adjectives: A Semantic Analysis. Riyadh: Imam Muhammad Ibn Saud Islamic University,College of Languages and Translation, Department of English Language and Literature, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Barakat, Ahmed, و Abdulhamid Eliwa. Vagueness and Gradable Adjectives: A Semantic Analysis. Imam Muhammad Ibn Saud Islamic University,College of Languages and Translation, Department of English Language and Literature, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.