Não informado. (1967). Health consequences of smoking. Health Services and Mental Health Administration.
Lua i Stíl Chicago (17ú heag.)Não informado. Health Consequences of Smoking. Washington: Health Services and Mental Health Administration, 1967.
Lua MLA (8ú heag.)Não informado. Health Consequences of Smoking. Health Services and Mental Health Administration, 1967.
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