Nafa, M. S. (2013). A Brain Based Approach for Teaching English Language Vocabulary to ESL Learners: An Investigation Based on Arabic-speaking Learners.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nafa, Mahmoud Sultan. A Brain Based Approach for Teaching English Language Vocabulary to ESL Learners: An Investigation Based on Arabic-speaking Learners. 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Nafa, Mahmoud Sultan. A Brain Based Approach for Teaching English Language Vocabulary to ESL Learners: An Investigation Based on Arabic-speaking Learners. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.