Tay, P. K. (1994). Reading for learning in mathematics: The classification of Lower Secondary KBSM text and the use of directed activities related to text.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tay, Pek Ki. Reading for Learning in Mathematics: The Classification of Lower Secondary KBSM Text and the Use of Directed Activities Related to Text. 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Tay, Pek Ki. Reading for Learning in Mathematics: The Classification of Lower Secondary KBSM Text and the Use of Directed Activities Related to Text. 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.