Gessford, John Evans, author
Addison-Wesley, 1980
Buku Teks
Greenwood, William T., author
South-Western, 1969
Buku Teks
Watson, Hugh J., author
Jonh Wiley & Sons, c1997
Buku Teks
Prentice-Hall, 1994
Buku Teks
Sukariawati Widjaja, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1982
UI - Skripsi (Membership)