Gaya APA
dkk, B.
(2020).
2019 nCov Covid-19 : Jangan Takut Virus Corona
.
Yogyakarta:
Rapha Publishing.
Gaya MLA
dkk, Baharudin.
"2019 nCov Covid-19 : Jangan Takut Virus Corona".
Yogyakarta:
Rapha Publishing,
2020.
.