Uchtmann, Donald L.
Mc-Graw Hill, 1981
Buku Teks
by Barry R. Furrow ... [and others]
West Publishing, 1987
Buku Teks
Adelman, Martin J., author
Thomson/West, 2009
Buku Teks
Juergensmeyer, Julian Conrad, author
Little, Brown, 1982
Buku Teks
Juergensmeyer, Julian Conrad, author
Little, Brown, 1982
Buku Teks