APA (7e ed.) Bronvermelding

Não informado. (1967). Health consequences of smoking. Health Services and Mental Health Administration.

Chicago (17e ed.) Bronvermelding

Não informado. Health Consequences of Smoking. Washington: Health Services and Mental Health Administration, 1967.

MLA (8e ed.) Bronvermelding

Não informado. Health Consequences of Smoking. Health Services and Mental Health Administration, 1967.

Let op: Deze citaties zijn niet altijd 100% accuraat.