APA (7e ed.) Bronvermelding

Não informado. (1993). Journal of Aging and Physical Activity. Human Kinetics Publishers.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of Aging and Physical Activity. Champaign, Ill: Human Kinetics Publishers, 1993.

MLA (8e ed.) Bronvermelding

Não informado. Journal of Aging and Physical Activity. Human Kinetics Publishers, 1993.

Let op: Deze citaties zijn niet altijd 100% accuraat.