Noreen Kamarudin. (2007). English at the workplace: Investigation the needs of Business Diploma students in a Polytechnic.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Noreen Kamarudin. English at the Workplace: Investigation the Needs of Business Diploma Students in a Polytechnic. 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Noreen Kamarudin. English at the Workplace: Investigation the Needs of Business Diploma Students in a Polytechnic. 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.