APA Style

Gandasentana, R, D., Kusumaratna, R, K. (2011). Physical activity reduced hypertension in the elderly and cost-effective . Jakarta: Trisakti Universiti Press.

MLA Style

Gandasentana, Robert, D.., Kusumaratna, Rina, K.. "Physical activity reduced hypertension in the elderly and cost-effective". Jakarta: Trisakti Universiti Press, 2011. Text.