توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Mary John. (2005). Case study: The challenges of teaching science and mathematics in English in a national type secondary school. Fakulti Sains Sosial Dan Kemanusiaan, Universiti Kebangsaan Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Mary John. Case Study: The Challenges of Teaching Science and Mathematics in English in a National Type Secondary School. Bangi: Fakulti Sains Sosial Dan Kemanusiaan, Universiti Kebangsaan Malaysia, 2005.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Mary John. Case Study: The Challenges of Teaching Science and Mathematics in English in a National Type Secondary School. Fakulti Sains Sosial Dan Kemanusiaan, Universiti Kebangsaan Malaysia, 2005.