Gaya APA
dkk, A, S.
(2016).
Osteoporosis The Silent Disease
(
1)
.
Yogyakarta:
Andi.
Gaya MLA
dkk, Andin, Sefrina.
"Osteoporosis The Silent Disease".
1
Yogyakarta:
Andi,
2016.
Text.