Al-Khalifa, E., & Al-Semari, O. (2010). The Use of Mnemonic Strategies in Teaching Spelling to EFL Iearners. Imam Muhammad ibn Saud Islamic University, College of Langages and Translation, Department of english Language and Literature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Khalifa, Eman, و Othman Al-Semari. The Use of Mnemonic Strategies in Teaching Spelling to EFL Iearners. Riyadh: Imam Muhammad ibn Saud Islamic University, College of Langages and Translation, Department of english Language and Literature, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Khalifa, Eman, و Othman Al-Semari. The Use of Mnemonic Strategies in Teaching Spelling to EFL Iearners. Imam Muhammad ibn Saud Islamic University, College of Langages and Translation, Department of english Language and Literature, 2010.