(1991). Statistik Ekonomi Dan Keuangan Indonesia Economic And Financial Statistics Of Indonesia 1991. BBD.
Lua i Stíl Chicago (17ú heag.)Statistik Ekonomi Dan Keuangan Indonesia Economic And Financial Statistics Of Indonesia 1991. BBD, 1991.
Lua MLA (8ú heag.)Statistik Ekonomi Dan Keuangan Indonesia Economic And Financial Statistics Of Indonesia 1991. BBD, 1991.
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