Jackson, V. R. (1995). Volunteerism in geriatric settings. Haworth Press.
Chicago Style aipamenaJackson, Vera R. Volunteerism in Geriatric Settings. New York: Haworth Press, 1995.
MLA aipamenaJackson, Vera R. Volunteerism in Geriatric Settings. Haworth Press, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.