1.
|
Northampton, MA : Edward Elgar Pub., 2019. Second edition.
|
2.
|
Geneva [Switzerland] : United Nations, 2002.
English | C 257 UN.T |
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3.
|
Cheltenham, UK : Edward Elgar, 2011.
English | N 341 LIN.C |
|
4.
|
Bruxelles : Larcier, c2001.
French | F 633 VER.D |
|