World Federation of Neurosurgical Societies. (1991). Critical Reviews in Neurosurgery. Springer Verlag.
Chicago-viite (17. p.)World Federation of Neurosurgical Societies. Critical Reviews in Neurosurgery. Berlin: Springer Verlag, 1991.
MLA-viite (8. p.)World Federation of Neurosurgical Societies. Critical Reviews in Neurosurgery. Springer Verlag, 1991.
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