Humphrey, John, author
A.W. Sijthoff, 1978
Buku Teks
Christopher, James W., author
E.J. Brill, 1928
Buku Teks
Castel, J.G.
Butterworth, 1986
Buku Teks
Nygh, PE.
Butterworth, 1984
Buku Teks
Schaller, Lyle E., author
Nashville-Abingdon Press , 1966
Buku Teks