Gaya APA
Purwoko, B., sosial, A. (1999).
Towards a social security reform: the indonesian case .
:
Jakarta.Maganet.
Gaya MLA
Purwoko, Bambang., sosial, Asuransi.
"Towards a social security reform: the indonesian case".
:
Jakarta.Maganet,
1999.
Koleksi Elektronik.