Atchley, R. C., & Barusch, A. S. (2004). Social forces and aging. Belmont, Calif: Wadsworth.
Chicago Style aipamenaAtchley, Robert C., và Amanda S. Barusch. Social Forces and Aging. Belmont, Calif: Wadsworth, 2004.
MLA aipamenaAtchley, Robert C., và Amanda S. Barusch. Social Forces and Aging. Belmont, Calif: Wadsworth, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.