Não informado. (1989). Journal of Aging and Health. Sage Publications.
Chicago (17e ed.) BronvermeldingNão informado. Journal of Aging and Health. Newbury Park, Calif: Sage Publications, 1989.
MLA (8e ed.) BronvermeldingNão informado. Journal of Aging and Health. Sage Publications, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.