Calvani, Terry, author
Little, Brown, 1988
Buku Teks
White, John A., author
John Wiley & Sons, 2010
Buku Teks
White, John A., author
Wiley, 2012
Buku Teks
edited by Eugene Kontorovich
Edward Elgar Publishing, 2016
Buku Teks
Parikh, Ashok K., author
Harvester Wheatsheaf, 1990
Buku Teks