Gaya APA
Priono, N, J., Supriyadi, A.
(2021).
70 Materai Safety Talks
.
Yogyakarta:
Deepublish.
Gaya MLA
Priono, Noviaji, Joko., Supriyadi, Agung.
"70 Materai Safety Talks".
Yogyakarta:
Deepublish,
2021.
Text.