The legal principles governing friendly relations and co-operation among states in the spirit of the United Nations Charter
| Awduron Corfforaethol: | , |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Leyden
Sijthoff
1966.
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| Pynciau: |