توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Chairozila Mohd Shamsuddin. (2003). Effects of gender differences and language proficiency on language learning strategies of UKM Engineering students. Fakulti Sains Sosial dan Kemanusiaan, Universiti Kebangsaan Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Chairozila Mohd Shamsuddin. Effects of Gender Differences and Language Proficiency on Language Learning Strategies of UKM Engineering Students. Bangi: Fakulti Sains Sosial dan Kemanusiaan, Universiti Kebangsaan Malaysia, 2003.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Chairozila Mohd Shamsuddin. Effects of Gender Differences and Language Proficiency on Language Learning Strategies of UKM Engineering Students. Fakulti Sains Sosial dan Kemanusiaan, Universiti Kebangsaan Malaysia, 2003.