APA (7th ed.) Zitazioa
ebrary, Inc, Abeles, R. P., Gift, H. C., & Ory, M. G. (1994). Aging and quality of life. Springer Pub. Co..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Ronald P. Abeles, Helen C. Gift, eta Marcia G. Ory. Aging and Quality of Life. New York: Springer Pub. Co., 1994.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Aging and Quality of Life. Springer Pub. Co., 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.