Hogbin, Geoff
McGraw-Hill, 1994
Buku Teks
Jaffe, Austin J., author
Prentice-Hall, 1982
Buku Teks
Gordon, Lawrence A.
Mass. Addison-Wesley., 1984
Buku Teks
Greenwood, William T., author
South-Western, 1969
Buku Teks
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1996
UI - Skripsi (Membership)