Bix, Brian H., author
Cambridge University Press, 2012
Buku Teks
Lilly, J. Robert, author
Sage Publications, 1995
Buku Teks
Bix, Brian H., author
Sweet & Maxwell, 1999
Buku Teks
Reardon, Kathleen Kelley
Beverly Hills, 1981
Buku Teks
Bix, Brian H.
Sweet & Maxwell, 2012
Buku Teks