Lubis, Todung Mulya
Gramedia Pustaka Utama, 1993
Buku Teks
Elva Nurseptiana Barzah
Fakultas Hukum Universitas Indonesia, 2023
UI - Tesis (Membership)
Selby, David
Cambridge University Press, 1988
Buku Teks
Longrigg, Stephen Hemsley
Frederick A. Praeger, 1958
Buku Teks
Unesco, 1970
Buku Teks