Keat, Paul G.
Managerial economics : economic tools for today's decision makers
Pearson Education (Prentice Hall), 2009
 Buku Teks
Mann, Prem S.
Statistics for business and economics
New York John Wiley & Sons 1995,
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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
Fakultas Ekonomi Universitas Indonesia News Letter
Depok : FE-UI, 2006,
 Majalah, Jurnal, Buletin