Kamen, Henry, author
Routledge, 2000
Buku Referensi
Appleton-Century-Crofts, 1951
Buku Teks
Woods, Joseph, author
Cambridge University Press, 2013
Buku Teks
Kindleberger, Charles P., 1910-2003, author
John Wiley & Sons, 1956
Buku Teks
edited by Felipe Fernandez-Armesto
Times Books, 1994
Buku Referensi