Gaya APA
Anies, .
(2021).
Waspada penularan COvid-19, Varian Delta
.
Yogyakarta:
Arruzz Media.
Gaya MLA
Anies, .
"Waspada penularan COvid-19, Varian Delta".
Yogyakarta:
Arruzz Media,
2021.
PRINTED BOOK.