Gaya APA
Unair, I., F. (2020).
Jurnal Berkala Epidemilogi Vol. 8 Issue 2 May 2020 (Vol. 8 Issue 2 May 2020).
Surabaya:
FKM Unair.
Gaya MLA
Unair, I., F..
Jurnal Berkala Epidemilogi Vol. 8 Issue 2 May 2020.
Vol. 8 Issue 2 May 2020
Surabaya:
FKM Unair,
2020.
Jurnal Nasional.