Fakultas ekonomi, 2012
Majalah, Jurnal, Buletin
editor, Leandro A. Viloria
University of the Philippines, 1984
Buku Teks
ASEAN Sekretariat, 2008
Buku Teks
Stephanus Munadjat Danusaputro, author
Binacipta, 1981
Buku Teks
edited by Mohamad Soerjani and Monica Hale
The University of Indonesia , 1997
Buku Teks