Gaya APA
Putra, A, C., Fitriani, S.
(2021).
Varian virus SARS-Cov-2
(
Cet.1)
.
Bogor:
Guepedia.
Gaya MLA
Putra, Andika, Chandra., Fitriani, Sarah.
"Varian virus SARS-Cov-2".
Cet.1
Bogor:
Guepedia,
2021.
TEXT.