ebrary, Inc, Hanushek, E. A., & Maritato, N. L. (1996). Assessing knowledge of retirement behavior. National Academy Press.
Chicago Style (17th ed.) Zitazioaebrary, Inc, Eric A. Hanushek, eta Nancy L. Maritato. Assessing Knowledge of Retirement Behavior. Washington, D.C.: National Academy Press, 1996.
MLA (9th ed.) Zitazioaebrary, Inc, et al. Assessing Knowledge of Retirement Behavior. National Academy Press, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.