Dieter Evers, Hans
LP3ES, 1982
Buku Teks
Turville-Petre, Thorlac, author
Blackwell Publishing, 2007
Buku Teks
Baruch, Bernard M.
Sinmon and Schuster, INC, 1954
Buku Teks
Leonardus Pandu Hapsoro, author
2015
UI - Skripsi (Membership)
Brinton, Crane, 1898-1968, author
The New American Library, 1958
Buku Teks