Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1997
UI - Skripsi (Membership)
by Dale H. Besterfield ... [and others]
Prentice-Hall, 1995
Buku Teks
Tarigan, Rostiana, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2005
UI - Tesis (Membership)
Isnomo Adi Nugroho, author
Fakultas Teknik Universitas Indonesia, 2004
UI - Tesis (Membership)
Strategic Direction Publishers, [date of publication not identified]
Buku Referensi