World Health Organization. Regional Office for South-East Asia. (2010). Helping people quit tobacco: A manual for doctors and dentists. World Health Organization, Regional Office for South-East Asia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization. Regional Office for South-East Asia. Helping People Quit Tobacco: A Manual for Doctors and Dentists. New Delhi: World Health Organization, Regional Office for South-East Asia, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization. Regional Office for South-East Asia. Helping People Quit Tobacco: A Manual for Doctors and Dentists. World Health Organization, Regional Office for South-East Asia, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.