Gaya APA
IKEDA, T. et al (2015).
Disability prevention programs for older people : .
Depok:
Fak. Kesehatan Masyarakat UI.
Gaya MLA
IKEDA, Takaaki. et al.
"Disability prevention programs for older people :".
Depok:
Fak. Kesehatan Masyarakat UI,
2015.
Artikel.