Não informado. (1979). Contemporary Neurosurgery. Williams & Wilkins.
Chicago (17e ed.) BronvermeldingNão informado. Contemporary Neurosurgery. Baltimore, Md: Williams & Wilkins, 1979.
MLA (8e ed.) BronvermeldingNão informado. Contemporary Neurosurgery. Williams & Wilkins, 1979.
Let op: Deze citaties zijn niet altijd 100% accuraat.