Collins, Lawrence, author
Butterworth, 1990
Buku Teks
by George A. Bermann ... [et al.]
West Pub. Co., 1993
Buku Teks
Juergensmeyer, Julian Conrad, author
Little, Brown, 1982
Buku Teks
Tillotson BA., John
Cavendish Publishing Limited, 1996
Buku Teks
Burrows, F.
Clarendon Press , 1987
Buku Teks