Gaya APA
GUNAWAN, D., WALUYO, D.
(2015).
RISK BASED BEHAVIORAL SEFETY
.
Jakarta:
PT Gramedia.
Gaya MLA
GUNAWAN, DR.F.A., WALUYO, DR..
"RISK BASED BEHAVIORAL SEFETY".
Jakarta:
PT Gramedia,
2015.
Buku Teks.