Soo, K. S. (1991). Twinning college lecturers' reactions to the low level of proficiency in the academic writing of Malaysian twinning students.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Soo, Keng Soon. Twinning College Lecturers' Reactions to the Low Level of Proficiency in the Academic Writing of Malaysian Twinning Students. 1991.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Soo, Keng Soon. Twinning College Lecturers' Reactions to the Low Level of Proficiency in the Academic Writing of Malaysian Twinning Students. 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.