Gaya APA
elsevier, .
(2019).
THE LANCET : Public Health
(
Vol 4 Issue 12 Desember 2019)
.
Australia:
Elsevier.
Gaya MLA
elsevier, .
"THE LANCET : Public Health".
Vol 4 Issue 12 Desember 2019
Australia:
Elsevier,
2019.
Text.