Gaya APA
Gunawan, D.
(2013).
SAFETY LEADHERSHIP: BUILDING EXCELENT OPERATION
.
JAKARTA:
DIAN RAKYAT.
Gaya MLA
Gunawan, Dr.F.A..
"SAFETY LEADHERSHIP: BUILDING EXCELENT OPERATION".
JAKARTA:
DIAN RAKYAT,
2013.
Text.