Gaya APA
Krisiantoro, Y.
(2020).
Covid-19 : Seluk Beluk Corona Virus
.
Cikarang:
Rapha Publishing.
Gaya MLA
Krisiantoro, Yohanes.
"Covid-19 : Seluk Beluk Corona Virus".
Cikarang:
Rapha Publishing,
2020.
Text.