OMS. (1993). WHO technical report series; N.835: Aging and working capacity. Geneva: OMS.
Chicago Style aipamenaOMS. WHO Technical Report Series; N.835: Aging and Working Capacity. Geneva: OMS, 1993.
MLA aipamenaOMS. WHO Technical Report Series; N.835: Aging and Working Capacity. Geneva: OMS, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.