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توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Al-Mandil, S. I. (1999). An investigation into strategy use and background variables in learning English: The case of tertiary level students in Saudi Arabia. University of London.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Al-Mandil, Sanaa Ibrahim. An Investigation into Strategy Use and Background Variables in Learning English: The Case of Tertiary Level Students in Saudi Arabia. Bahrain: University of London, 1999.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Al-Mandil, Sanaa Ibrahim. An Investigation into Strategy Use and Background Variables in Learning English: The Case of Tertiary Level Students in Saudi Arabia. University of London, 1999.