Lim, K. J. (1994). The relation between syllabus and materials in new CLUE (course in learning and using English) at the lower secondary level.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lim, Kek Joo. The Relation Between Syllabus and Materials in New CLUE (course in Learning and Using English) at the Lower Secondary Level. 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lim, Kek Joo. The Relation Between Syllabus and Materials in New CLUE (course in Learning and Using English) at the Lower Secondary Level. 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.