Não informado. (1967). Health consequences of smoking. Health Services and Mental Health Administration.
Chicago-Zitierstil (17. Ausg.)Não informado. Health Consequences of Smoking. Washington: Health Services and Mental Health Administration, 1967.
MLA-Zitierstil (8. Ausg.)Não informado. Health Consequences of Smoking. Health Services and Mental Health Administration, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.