World Health Organization. (2010). CBR Guidelines. Introductory booklet. World Health Organization.
Chicago-viite (17. p.)World Health Organization. CBR Guidelines. Introductory Booklet. Geneva: World Health Organization, 2010.
MLA-viite (8. p.)World Health Organization. CBR Guidelines. Introductory Booklet. World Health Organization, 2010.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.