Al-Thenayan, A. A., & Al-Leithy, M. A. (2010). The transience of life as a prominent theme in John Keats poetry. Al-Imam Muhammad Ibn Saud Islamic University, College of Languages and Translation, Department of English Language and Literature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Thenayan, Azizah Abdullah, و Muhammad Ahmed Al-Leithy. The Transience of Life as a Prominent Theme in John Keats Poetry. Riyadh: Al-Imam Muhammad Ibn Saud Islamic University, College of Languages and Translation, Department of English Language and Literature, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Thenayan, Azizah Abdullah, و Muhammad Ahmed Al-Leithy. The Transience of Life as a Prominent Theme in John Keats Poetry. Al-Imam Muhammad Ibn Saud Islamic University, College of Languages and Translation, Department of English Language and Literature, 2010.