Stettinius,Edward R
Macmillan, 1944
Buku Teks
Silalahi, Elizabert Serenia, author
Universitas Indonesia, 1997
UI - Skripsi (Membership)
Ziwar Effendi, author
Pradnya Paramita, 1987
Buku Teks
Niko Muhammad Iskandar, author
Fakultas Teknik Universitas Indonesia, 2019
UI - Skripsi (Membership)
Universitas Indonesia, 1998
UI - Skripsi (Membership)