Palmer, E.H., author
Routledge & Kegan Paul, 1956
Buku Referensi
Far East Book Co., 1985
Buku Referensi
edited by B.J. Jones and Gene S. Rhie
Hollym Corporation, 1984
Buku Referensi
Lapidus, B.A., author
State Publishing House of Foreign and National Dictionaries, 1962
Buku Referensi
Murray, K. M. Elisabeth (Katherine Maud Elisabeth), 1909-1998, author
Yale University Press, 1977
Buku Teks