Lee, C. N. (1987). The English language needs as perceived by pre-university students, teachers and the universities: A pilot study.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lee, Chang Ngee. The English Language Needs as Perceived by Pre-university Students, Teachers and the Universities: A Pilot Study. 1987.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lee, Chang Ngee. The English Language Needs as Perceived by Pre-university Students, Teachers and the Universities: A Pilot Study. 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.