Gaya APA
PRATIWI, H, Y. (2017).
Analisis penerapan contractor safety management system (CSMS) di PT X Bontang, Kalimantan Timur .
Surabaya:
FKM Unair.
Gaya MLA
PRATIWI, Hera, Yulinanada.
"Analisis penerapan contractor safety management system (CSMS) di PT X Bontang, Kalimantan Timur".
Surabaya:
FKM Unair,
2017.
Artikel.