Kanter, Jerome, author
Englewood Cliffs, N.J. Prentice-Hall 1992,
Buku Referensi
Kanter, Jerome, author
Prentice-Hall, 1992
Buku Teks
Firnberg, David
George Allen and Unwin , 1973
Buku Teks
Abdul Kadir, author
Andi, 2003
Buku Teks
Adi Purnomol, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2010
UI - Tesis Open