Al-Jasser, J. A., & Guenther, J. (1983). Comparative effect of native English-speaking instructors (NESI) and nonnative English-speaking instructors (NNESI) on performance of the freshmen students at King Saud University. University of Kansas.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Jasser, Jasser Abdulrahman, و John Guenther. Comparative Effect of Native English-speaking Instructors (NESI) and Nonnative English-speaking Instructors (NNESI) on Performance of the Freshmen Students at King Saud University. Kansas: University of Kansas, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Jasser, Jasser Abdulrahman, و John Guenther. Comparative Effect of Native English-speaking Instructors (NESI) and Nonnative English-speaking Instructors (NNESI) on Performance of the Freshmen Students at King Saud University. University of Kansas, 1983.