Cheong, K. H. (2018). Help seeking behavior and other risk factors as predictors of illegal drug used during methadone maintenance therapy.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cheong, Kar Hui. Help Seeking Behavior and Other Risk Factors as Predictors of Illegal Drug Used During Methadone Maintenance Therapy. 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cheong, Kar Hui. Help Seeking Behavior and Other Risk Factors as Predictors of Illegal Drug Used During Methadone Maintenance Therapy. 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.