Rickard, J.A.
New York, N.Y. Barner & Noble, Inc. 1956,
Buku Teks
compiled and edited by William L. Langer
Houghton Mifflin, 1968
Buku Referensi
Hoffman, Ross J.S.
Littlefield, Adams, 1958
Buku Teks
Southgate, Beverley
Routledge , 1996
Buku Teks
edited by John Miksic
Archipelago Press, [date of publication not identified]
Buku Teks