Al-Ibrahim, N. h. A., & El-Kori, A. S. (2012). Investigating early learning of English as a foreign language: An exploration of the Saudi context. Al-Imam Mohammed Bin Saud Islamic University,College Languages and Translation, Department of English Language and Literature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Ibrahim, Nasir hussein Ali, و Ali Soliman El-Kori. Investigating Early Learning of English as a Foreign Language: An Exploration of the Saudi Context. Riyadh: Al-Imam Mohammed Bin Saud Islamic University,College Languages and Translation, Department of English Language and Literature, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Ibrahim, Nasir hussein Ali, و Ali Soliman El-Kori. Investigating Early Learning of English as a Foreign Language: An Exploration of the Saudi Context. Al-Imam Mohammed Bin Saud Islamic University,College Languages and Translation, Department of English Language and Literature, 2012.