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.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.