Simanjuntak, Herris B.
The power of values in the uncertain business world / Herris B. Simandjuntak
Gramedia Pustaka Utama, 2004
 Buku Teks
Kroef, Justus M. van der
Indonesia in the modern world; Part I
Masa Baru, 1954
 Buku Teks
Kroef, Justus M. van der
Indonesia in the modern world; Part II
Masa Baru, 1956
 Buku Teks
MacKay, R.A.
The modern world
The Ryerson Press, 1935
 Buku Teks
India and Indonesia in a changing world
Yayasan Proklamasi, [date of publication not identified]
 Buku Teks