Zul Azlin Razali. (2013). Concomitant benzodiazepine use among methadone maintenance therapy clients in University Malaya Medical Centre and in private general practitioner clinics in Klang Valley. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zul Azlin Razali. Concomitant Benzodiazepine Use Among Methadone Maintenance Therapy Clients in University Malaya Medical Centre and in Private General Practitioner Clinics in Klang Valley. Kuala Lumpur: Universiti Kebangsaan Malaysia, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Zul Azlin Razali. Concomitant Benzodiazepine Use Among Methadone Maintenance Therapy Clients in University Malaya Medical Centre and in Private General Practitioner Clinics in Klang Valley. Universiti Kebangsaan Malaysia, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.