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.
Citace podle Chicago (17th ed.)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.
Citace podle MLA (8th ed.)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.
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