Foreign Languages Pub. House, 1959
Buku Teks
World Peace Foundation, 1951
Buku Teks
Fisher, Roger, author
Harper Torchbooks, 1969
Buku Teks
Brzenzunski, Zbigniew
Greenwood Press, 1970
Buku Teks
Henni Oktaviani, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1999
UI - Skripsi (Membership)