Gaya APA
Saleh, L, M., Yanti, I, H.
(2021).
Epidemiologi K3
.
Yogyakarta:
Deepublish.
Gaya MLA
Saleh, Lalu, Muhammad., Yanti, Iva, Hardi.
"Epidemiologi K3".
Yogyakarta:
Deepublish,
2021.
Text.