Citazione Stile APA (7a Edizione)

Nasif, A. A. (1988). AL-‘ULA: On system : an historical and archaeological survey with special reference to its irrigatin. king saud university.

Citazione stile Chigago Style (17a edizione)

Nasif, Abdallah Adam. AL-‘ULA: On System : An Historical and Archaeological Survey with Special Reference to Its Irrigatin. Riyadh: king saud university, 1988.

Citatione MLA (9a ed.)

Nasif, Abdallah Adam. AL-‘ULA: On System : An Historical and Archaeological Survey with Special Reference to Its Irrigatin. king saud university, 1988.