Zelma Hauralya
Fakultas Hukum Universitas Indonesia, 2023
UI - Skripsi Membership
Collier-MacMillan International, 1969
Buku Teks
Radford, Andrew
Cambridge University Press, 2009
eBooks
compiled and translated by Ismail Mazhar
The Renaissance Bookshop, 1950
Buku Referensi
Federal Publications, 1988
Buku Referensi