Washington, D.C. : U.S. Dept. of Commerce, International Trade Administration : [For sale by the Supt. of Docs., U.S. G.P.O.], 2008.

Internet Archive >> None

Nagel, Walter H.

New York : Praeger, 1988.

Internet Archive >> None

Kirpalani, V. H. (Vishnu H.), 1928-

New York : Random House, [1984]

Internet Archive >> None

Croton-on-Hudson, N.Y. : North River Press, c1982.

Internet Archive >> None

Tuller, Lawrence W.

Homewood, Ill. : Business One Irwin, c1991.

Internet Archive >> None