Evi Wulansari, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1993
UI - Skripsi (Membership)
Adi Sulistyo, author
Fakultas Hukum Universitas Indonesia, 2013
UI - Tesis (Membership)
Haugen, Robert A.
Prentice-Hall, 1990
Buku Teks
Haugen, Robert A.
Prentice-Hall, 1997
Buku Teks
Reilly, Frank K., author
The Dryden Press, 1997
Buku Teks