Successful small business management
by Curtis E. Tate Jr. ... [and others]
Business Publication, 1982
 Buku Teks
Olson, Charles L.
Statistics for business decision making
Scott, Foresman, 1983
 Buku Teks
Hornby, Win
Business economics
Prentice-Hall, 2001
 Buku Teks
Hague, D.C.
Managerial economics analysis for business decision
Longman, 1971
 Buku Teks
Atkinson, Brian
Business economics
Addison - Wesley , 1998
 Buku Teks