Pope, Rev G.U., author
Clarendon Press, 1905
Buku Referensi
Wilkinson, R. J. (Richard James), 1867-1941, author
Macmillan, 1959
Buku Referensi
compiled by Howard P. McKaughan, Batua A. Macaraya
University of Hawaii Press, 1967
Buku Referensi
Boyle, John Andrew, author
Luzac & Company, 1949
Buku Referensi
Lapidus, B.A., author
State Publishing House of Foreign and National Dictionaries, 1962
Buku Referensi