Gaya APA
BAHARUDDIN, .
(2020).
2019-nCOV COVID-19
.
Yogyakarta:
C.V Andi Offset.
Gaya MLA
BAHARUDDIN, .
"2019-nCOV COVID-19".
Yogyakarta:
C.V Andi Offset,
2020.
Buku Teks.