edited David Marsh and Gerry Stoker
Macmillan, 1995
Buku Teks
Rodee, Carlton Clymer, author
McGraw-Hill, 1983
Buku Teks
Ebenstein, William, author
Thomson Wadsworth, 2002
Buku Teks
edited by Isaac Kramnick
[publisher not identified], 1969
Buku Teks
I Marsana Windhu
Kanisius, 992
Buku Teks