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توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Al-Namlah, A. S. (2002). A Sociocultural Approach to Memory Development Private Speech and Culture as Determination of Early Remembering. University of Durham, Department of Psychology.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Al-Namlah, Abdulrahman S. A Sociocultural Approach to Memory Development Private Speech and Culture as Determination of Early Remembering. England: University of Durham, Department of Psychology, 2002.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Al-Namlah, Abdulrahman S. A Sociocultural Approach to Memory Development Private Speech and Culture as Determination of Early Remembering. University of Durham, Department of Psychology, 2002.