Reuss, Henry S., author
McGraw-Hill, 1964
Buku Teks
Rivkin, Arnold, author
Frederick A. Praeger, 1962
Buku Teks
Teichert, Pedro C.M., author
Bureau of Business Research Mississippi University , 1959
Buku Teks
Kenneth Frampton, editor
Springer, 2000
Buku Teks
Hirschman, Albert O., author
Twentieth Century Fund, 1963
Buku Teks