Al- Aurāq at-tiǧārīya fi n-niẓām as-suʿūdī - ʿAmrān, ʿAbdallāh Muḥammad al- (Maʿhad al-Idāra al-ʿĀmma, al-Idāra al-ʿĀmma li'l-Buḥūṯ, 1989)
In arab. Schrift, arab.