Nueva York Naciones Unidas 1978 .
v. , Prior to vol.4 issues lack vol. numberng. | Issued with United Nations publication sales no. 28 cm..

Upper Saddle River, N.J. Prentice Hall 2000 .
xviii, 781 p. , Maps on lining papers 26 cm..
0130143774

By Folsom, Ralph Haughwout..
St. Paul, Minn. West Group 2000 .
xxvii, 449 p. 19 cm..
0314240934

By O'Regan, David..
Hoboken, N.J. : John Wiley & Sons 2003 .
xiii, 298 p. 24 cm..
0471263826