Sukarno, 1927-
Alumni, 1984
Buku Teks
Petkov, Krastyu
Routledge , 1991
Buku Teks
Evatt, Herbert Vere, 1894-1965
Angus and Robertson, 1954
Buku Teks
ILO , 1973
Buku Teks
Labour History, Economic History. Depart, The Univ.of Sydney
Majalah, Jurnal, Buletin