Halina, K. (2005). The problems of implementing the teaching of mathematics and science in english: A study of several schools in Hulu Langat district.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Halina, Khamsan. The Problems of Implementing the Teaching of Mathematics and Science in English: A Study of Several Schools in Hulu Langat District. 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Halina, Khamsan. The Problems of Implementing the Teaching of Mathematics and Science in English: A Study of Several Schools in Hulu Langat District. 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.