APA-referens

Florey, C. D. V. (1982). Methods for cohort studies of chronic airflow limitation. World Health Organisation.

Chicago-stil citat

Florey, C Du V. Methods for Cohort Studies of Chronic Airflow Limitation. Copenhagen: World Health Organisation, 1982.

MLA-referens

Florey, C Du V. Methods for Cohort Studies of Chronic Airflow Limitation. World Health Organisation, 1982.