Galbraith, John Kenneth, 1908-2006, author
Harvard University Press, 1962
Buku Teks
Alexander, Robert J.
Macmillan, 1962
Buku Teks
Rao, V.K.R.V., author
Asia Publishing House, 1964
Buku Teks
Fryer, D.W., author
McGraw-Hill, 1965
Buku Teks
Meier, Gerald M., author
Wiley, 1966
Buku Teks