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 (17e ed.) BronvermeldingWorld 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 (8e ed.) BronvermeldingWorld 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.
Let op: Deze citaties zijn niet altijd 100% accuraat.