Não informado. (2019). British Medical Journal. British Medical Association.
Chicago-viite (17. p.)Não informado. British Medical Journal. London: British Medical Association, 2019.
MLA-viite (8. p.)Não informado. British Medical Journal. British Medical Association, 2019.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.