Gaya APA
WIDADI, N. (2016).
FUNDAMENTAL CONCEPTS FRAMEWORK: SAFETY MANAGEMENT SYSTEM (1).
Jakarta:
HALAMAN MOEKA PUBLISHING.
Gaya MLA
WIDADI, NOVYANTO.
"FUNDAMENTAL CONCEPTS FRAMEWORK: SAFETY MANAGEMENT SYSTEM".
1
Jakarta:
HALAMAN MOEKA PUBLISHING,
2016.
Text.