Gaya APA
Liang, T.
(2020).
E-book Buku pegangan pencegahan dan penatalaksanaan covid-19
.
China:
Jack Ma Foundation.
Gaya MLA
Liang, Tingbo.
"E-book Buku pegangan pencegahan dan penatalaksanaan covid-19".
China:
Jack Ma Foundation,
2020.
Text.