APA (7th ed.) Zitazioa
Garrett, G. (1987). Health needs of the elderly (2nd ed.). MacMillan.
Chicago Style (17th ed.) Zitazioa
Garrett, Gill. Health Needs of the Elderly. 2nd ed. London: MacMillan, 1987.
MLA (9th ed.) Zitazioa
Garrett, Gill. Health Needs of the Elderly. 2nd ed. MacMillan, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.