Baillie, James
Routledge, 2000
Buku Teks
Irvan Syah
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2011
UI - Skripsi (Open)
Mossner, Ernest Campbell
Columbia University Press, 1943
Buku Teks
edited by John K. Ryan
The Catholic University of America Press, 1963
Buku Teks
Donny Gahral Adian
Teraju, 2002
Buku Teks