Sirait, Yuni Yanti
Universitas Indonesia, 2003
UI - Tesis Membership
Aji Prayudi
Fakultas Hukum Universitas Indonesia, 1990
UI - Skripsi Membership
Keup, Erwin J.
Entrepreneur Press, 2004
Buku Teks SO
Monica Kusumadevi
Fakultas Hukum Universitas Indonesia, 2012
UI - Skripsi Open
Marinza Savanthy
Fakultas Hukum Universitas Indonesia, 2005
UI - Skripsi Membership