Não informado. (1940). Diseases of the Nervous System. Physicians Postgraduate Press.
Chicago-viite (17. p.)Não informado. Diseases of the Nervous System. New York: Physicians Postgraduate Press, 1940.
MLA-viite (8. p.)Não informado. Diseases of the Nervous System. Physicians Postgraduate Press, 1940.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.