1.
|
Ames, Iowa : Blackwell Publishing Professional, c2004.
|
2.
|
Ames, Iowa : Blackwell Pub., c2007.
|
3.
|
Washington, D.C. : National Academy Press, 1992.
|
4.
|
[Washington, D.C. : U.S. G.P.O., 2006]
KF32 .E55 2006 |
|
5.
|
[Washington, D.C. : U.S. G.P.O., 2004]
KF32 .E55 2004j |
|
6.
|
[Washington, D.C. : U.S. G.P.O., 2004]
Y 1.1/5: 108-226 |
|
7.
|
Washington, D.C. : Bureau of Economics, Federal Trade Commission, [2002]
|
8.
|
[Washington, D.C. : U.S. G.P.O., 2000]
Y 1.1/5: 106-504 |
|
9.
|
Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1994.
Y 4.G 74/9: 102-1200 |
|
10.
|
Washington, D.C. : National Academy Press, 1990.
|