Mastura Muhamad. (2004). Writing apprehension among second language writers: Its relationship to gender, ethnic groups and performance in a standardized English exam. Fakulti Sains Sosial dan Kemanusiaan, Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mastura Muhamad. Writing Apprehension Among Second Language Writers: Its Relationship to Gender, Ethnic Groups and Performance in a Standardized English Exam. Bangi: Fakulti Sains Sosial dan Kemanusiaan, Universiti Kebangsaan Malaysia, 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mastura Muhamad. Writing Apprehension Among Second Language Writers: Its Relationship to Gender, Ethnic Groups and Performance in a Standardized English Exam. Fakulti Sains Sosial dan Kemanusiaan, Universiti Kebangsaan Malaysia, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.