Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1977
UI - Skripsi (Membership)
Brandt, Conrad
George Allen and Unwin, 1959
Buku Teks
Hsiung, James Chieh, 1935-
Praeger Publishers, 1970
Buku Teks
Brandt, Conrad
Harvard University Press, 1952, 1959
Buku Teks
Houn, Franklin W.
Prenrice-Hall , 1973
Buku Teks