Duvoisin, R. C. (1991). Perkinson`s Diseases: A Guide For Family and Patient (3rd.). Raven Press.
Citazione stile Chigago Style (17a edizione)Duvoisin, Roger C. Perkinson`s Diseases: A Guide For Family and Patient. 3rd. New York: Raven Press, 1991.
Citatione MLA (9a ed.)Duvoisin, Roger C. Perkinson`s Diseases: A Guide For Family and Patient. 3rd. Raven Press, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.