Rivkin, Arnold
Frederick A. Praeger, 1962
Buku Teks
Teichert, Pedro C.M.
Bureau of Business Research Mississippi University , 1959
Buku Teks
Kenneth Frampton, editor
Springer, 2000
Buku Teks
edited by Alex E. Fernandez Jilberto and Andre Mommen
Routledge, 1996
Buku Teks
Hirschman, Albert O.
Twentieth Century Fund, 1963
Buku Teks