Plassman, B. L., Langa, K. M., Fisher, G. G., Heeringa, S. G., Weir, D. R., Ofstedal, M. B., . . . Wallace, R. B. (2008). Prevalence of Cognitive Impairment without Dementia in the United States.
Chicago Style aipamenaPlassman, Brenda L., et al. Prevalence of Cognitive Impairment Without Dementia in the United States. 2008.
MLA aipamenaPlassman, Brenda L., et al. Prevalence of Cognitive Impairment Without Dementia in the United States. 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.