McDonald, D. D. (2009). Older Adults’ Pain Descriptions.
Chicago Style aipamenaMcDonald, Deborah Dillon. Older Adults’ Pain Descriptions. 2009.
MLA aipamenaMcDonald, Deborah Dillon. Older Adults’ Pain Descriptions. 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.