Ahmad Badrus Othman. (1984). Study of knowledge, attitudes and practices of smoking among soldiers in a battalion of the royal malay regiment, 1984. University of Malaya.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmad Badrus Othman. Study of Knowledge, Attitudes and Practices of Smoking Among Soldiers in a Battalion of the Royal Malay Regiment, 1984. Kuala Lumpur: University of Malaya, 1984.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmad Badrus Othman. Study of Knowledge, Attitudes and Practices of Smoking Among Soldiers in a Battalion of the Royal Malay Regiment, 1984. University of Malaya, 1984.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.