Organization of Arab Petroleum Exporting Countries. Idārah al-Qānūnīyah

• Ittifāqīyāt inshāʾ Munaẓẓamat al-Aqtār al-ʻArabīyah al-Muṣaddirah lil-Batrūl wa-al-sharikāt al-ʻArabīyah al-munbathiqah ʻanhā