Lasher, William R.
Practical financial management
Western College Publishing , 2000
 Buku Teks
Encyclopedia of practical management 1 : leadership
by Walter J. Wadsworth
Gemini Books, 2000
 Buku Referensi
Budd, Thomas A.
Financial statements
Alexander Hamilton Institute, 1961
 Buku Teks
Allen, David
Encyclopedia of strategic management : financial decisions
Crest Publishing House, 2002
 Buku Teks
Encyclopedia of practical management 4 : delegating work
by Joseph T. Straub
Gemini Books, 2000
 Buku Referensi