Schumpeter, Joseph A.
Harper , 1950
Buku Teks
Pigou, A.C. (Arthur Cecil), author
Macmillan, 1958
Buku Teks
Ebenstein, William, author
Prentice-Hall, 1954
Buku Teks
Rosenberg, Arthur, author
A.A. Knopf, 1939
Buku Teks
Cammack, Paul Anthony, author
Leicester University Press, 1997
Buku Teks