Dokumentuaren aipamena

APA (7th ed.) Zitazioa
ebrary, Inc, Denton, F. T., Fretz, D., & Spencer, B. G. (2000). Independence and economic security in old age. UBC Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Frank T. Denton, Deborah Fretz, eta Byron G. Spencer. Independence and Economic Security in Old Age. Vancouver: UBC Press, 2000.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Independence and Economic Security in Old Age. UBC Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.