| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| State Petroleum Enterprises in Developing Countries | 978-O-O8-O25126-4 (O-O8-O25126-9) | 1980 |
C.F. · n/c · U.n. · United N. · United Nations
United Nations: Centre for Social Development & Humanitarian Affairs