Gaya APA

WAHYUDI, E, R. et al (2012). Risk factors for depressive symptom changes in Indonesian geratric outpatient . Jakarta: FK-Universitas Indonesia.

Gaya MLA

WAHYUDI, Edy, R. et al. "Risk factors for depressive symptom changes in Indonesian geratric outpatient". Jakarta: FK-Universitas Indonesia, 2012. Artikel.