|
1.
|
Vienna [Austria] : Hans Collin, 1992.
English | G 173 COL.I |
|
|
2.
|
[St. Paul, Minn.] : Thomson/West, c2002- Fourth edition.
English | G 870 PAT |
|
|
3.
|
London : Sweet & Maxwell, 1999. Third edition.
English | G 870 REI.P |
|
|
4.
|
New York : United Nations, 1975.
English | G 58 UNCTAD.R(E) |
|