Kementerian Bidang Perekonomian RI, 2003
Buku Teks
Sirait, Nurintan Marolop Novianti Octaviana
Fakultas Hukum Universitas Indonesia, 2004
UI - Tesis (Membership)
Sihombing, Vina Ester Dameria
Universitas Indonesia, 2006
UI - Skripsi (Membership)
Hasitongan, Miando Sahala
Universitas Indonesia, 2006
UI - Tesis (Membership)
Universitas Indonesia, 1997
UI - Skripsi (Membership)