Lnge, Oscar
Some problems relating to the Polish road to socialism
Warsawa Polonia Publishing House 1957
 Buku Teks
Montias, John Michael
Central planning in Poland / John Michael Montias
Yale University Press, 1962
 Buku Teks
Widio Wize Ananda Zen
Kebijakan sosial di periode krisis ekonomi : studi perbandingan Finlandia 1990-1993 dan Indonesia 1997- 1998 = Social policy in economic crisis period : comparative study of Finland 1990-1993 and Indonesia 1997-1998 / Widio Wize Ananda Zen
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2014
 UI - Skripsi Membership
Karpinski, Andrzej
Twenty years of Poland's economic development 1944-1964
Polonia Publishing House, 1964
 Buku Teks
Wedgwood, C.V. (Cicely Veronica), 1910-
Edward Gibbon / by C.V. Wedgewood
The British Council by Longmans, Green, 1955
 Buku Teks