Gaya APA
PKK, P., D., D., A., ,., M., ,., emirfan, (2021).
WASPADA PENULARAN COVID-19 VARIAN DELTA (Cet. 1).
Yogyakarta:
ArRuzz Media.
Gaya MLA
PKK, PROF, DR, Dr, Anies, ,, M.Kes, ,., emirfan, .
"WASPADA PENULARAN COVID-19 VARIAN DELTA".
Cet. 1
Yogyakarta:
ArRuzz Media,
2021.
Text.