Não informado. (1969). The Year book of neurology and neurosurgery. Year Book Medical Publishers.
Chicago-Zitierstil (17. Ausg.)Não informado. The Year Book of Neurology and Neurosurgery. Chicago, Ill: Year Book Medical Publishers, 1969.
MLA-Zitierstil (8. Ausg.)Não informado. The Year Book of Neurology and Neurosurgery. Year Book Medical Publishers, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.