Mower, Alfred Glenn, author
Connecticut Greenwood Press 1979,
Buku Referensi
Mower, Alfred Glenn, author
Greenwood Press, 1979
Buku Teks
edited by Max F. Millikan
Little, Brown, 1961
Buku Teks
edited by Max F. Millikan and Donald L.M. Blackmer
Little, Brown, 1961
Buku Teks
The Academy of Political Science, 1977
Buku Teks