APA-viite (7. p.)
Health and population; perspectives and issues [Health Popul Perspect Issues] NLMUID: 7909318.
Chicago-viite (17. p.)
Health and Population; Perspectives and Issues [Health Popul Perspect Issues] NLMUID: 7909318.
MLA-viite (9. p.)
Health and Population; Perspectives and Issues [Health Popul Perspect Issues] NLMUID: 7909318.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.