Keat, Paul G.
Managerial economics : economic tools for today's decision makers
Pearson Education (Prentice Hall), 2009
 Buku Teks
Australian Economic History Review
Sydney : Sydney University Press
 Majalah, Jurnal, Buletin
Boeke, Hendrik Enno.
Interest of the voiceless Far East introduction to oriental economics
Leiden Universitaire Pers 1948
 Buku Teks
Mann, Prem S
Statistics for business and economics/Prem S. Mann
New York John Wiley & Sons 1995,
 Buku Teks
Ratu Helda Purnamasari
Pembebanan Jaminan Fidusia Terhadap Piutang Sehubungan Pemberian Kredit Perbankan Menurut Undang-Undang Nomor 42 Tahun 1999 Tentang Jaminan Fidusia
Universitas Indonesia, 2002
 UI - Tesis Membership