Giddens, Anthony, author
IRCisoD, 2003
Buku Teks
Dagun, Save M., author
Rineka Cipta, 1992
Buku Teks
Schumpeter, Joseph A.
Harper , 1950
Buku Teks
Ebenstein, William, author
Prentice-Hall, 1954
Buku Teks
Pigou, A.C. (Arthur Cecil), author
Macmillan, 1958
Buku Teks