Al-Shomrany, A. M., & Gomaa, Y. (2013). Enhancing Saudi gatekeepers English competence the case of passport police staff King Khalid international airport. Al-Imam Muhammed Ibn Saud Islamic University, College Languages and Translation, Department of English Language and Literature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Shomrany, Ahmed Mohammed, و Yasser Gomaa. Enhancing Saudi Gatekeepers English Competence the Case of Passport Police Staff King Khalid International Airport. Riyadh: Al-Imam Muhammed Ibn Saud Islamic University, College Languages and Translation, Department of English Language and Literature, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Shomrany, Ahmed Mohammed, و Yasser Gomaa. Enhancing Saudi Gatekeepers English Competence the Case of Passport Police Staff King Khalid International Airport. Al-Imam Muhammed Ibn Saud Islamic University, College Languages and Translation, Department of English Language and Literature, 2013.