Mohd Shaiful Ehsan bin Shalihin. (2017). Reliability and construct validity of the scale of knowledge, attitude and practice of medical doctors on smoking cessation guidelines. Kulliyah of Medicine, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mohd Shaiful Ehsan bin Shalihin. Reliability and Construct Validity of the Scale of Knowledge, Attitude and Practice of Medical Doctors on Smoking Cessation Guidelines. Kuantan, Pahang: Kulliyah of Medicine, International Islamic University Malaysia, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mohd Shaiful Ehsan bin Shalihin. Reliability and Construct Validity of the Scale of Knowledge, Attitude and Practice of Medical Doctors on Smoking Cessation Guidelines. Kulliyah of Medicine, International Islamic University Malaysia, 2017.