Gaya APA

Wreksoatmodjo, B, R. (2014). Pengaruh Social Engagement terhadap FungsiKognitif Lanjut Usia di Jakarta (The Influence of Social Engagement on Cognitive Function among Elderly in Jakarta) . Jakarta: Kalbe Farma.

Gaya MLA

Wreksoatmodjo, Budi, Riyanto. "Pengaruh Social Engagement terhadap FungsiKognitif Lanjut Usia di Jakarta (The Influence of Social Engagement on Cognitive Function among Elderly in Jakarta)". Jakarta: Kalbe Farma, 2014. Text.