Gorman, Tom, author
Prenada, 2009
Buku Teks
American Enterprise Institute, 1985
Buku Teks
Stutely, Richard
The Economist Books, 1992
Buku Teks
Jurgen Georg Backhaus, editor
[Springer, Springer], 2012
eBooks
Arndt, H. W. (Heinz Wolfgang), 1915-2002, author
Australian NAtional University Press, 1972
Buku Teks