Gaya APA
Vorst, C, R. et al (2018).
Manajemen Risiko Berbasis SNI ISO 31000 .
YOGYAKARTA:
THE INSTITUTION OF ENGINEERING AND TECHNOLOGY.
Gaya MLA
Vorst, Charles, R.. et al.
"Manajemen Risiko Berbasis SNI ISO 31000".
YOGYAKARTA:
THE INSTITUTION OF ENGINEERING AND TECHNOLOGY,
2018.
PERAWAT.