Knott, Anne Marie
McGraw-Hill, 2017
Buku Teks
Diebold, John
American Management Association, 1985
Buku Teks
Kindleberger, Charles P., 1910-2003
New York, N.Y. , Massachusetts Institute of Technology and John Wiley & Sons
Buku Teks
Artikel Jurnal
Zupnick, Elliot
Columbia University Press, 1957
Buku Teks