van der Flier, W. M., & Scheltens, P. (2005). Epidemiology and risk factors of dementia. BMJ Group.
Chicago Style aipamenavan der Flier, W M., and P. Scheltens. Epidemiology and Risk Factors of Dementia. BMJ Group, 2005.
MLA aipamenavan der Flier, W M., and P. Scheltens. Epidemiology and Risk Factors of Dementia. BMJ Group, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.