Yeo-Chan, J. L. P. (1994). Learner autonomy in the language classroom an experiment with a secondary four normal class in Singapore.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Yeo-Chan, June Lee Ping. Learner Autonomy in the Language Classroom an Experiment with a Secondary Four Normal Class in Singapore. 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Yeo-Chan, June Lee Ping. Learner Autonomy in the Language Classroom an Experiment with a Secondary Four Normal Class in Singapore. 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.