(1990). Responding to the needs of an aging society. Tokyo: Foreign Press Center.
Chicago Style aipamenaResponding to the Needs of an Aging Society. Tokyo: Foreign Press Center, 1990.
MLA aipamenaResponding to the Needs of an Aging Society. Tokyo: Foreign Press Center, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.