Carter, April, author
Rajawali, 1985
Buku Teks
Raz, Joseph, author
Oxford Univesity Press, 2009
Buku Teks
Raz, Joseph, author
Clarendon Press, 1979
Buku Teks
Friedman, Lawrence M., 1930-, author
Harvard University Press, 1990
Buku Teks
Friedman, Lawrence M., 1930-, author
Harvard University Press, 1990
Buku Teks