Cita APA (7th ed.)
Aramco and its world: Arabia and the middle East. Aramco.
Cita Chicago (17th ed.)
Aramco and Its World: Arabia and the Middle East. Saudi Arabia: Aramco.
Cita MLA (9th ed.)
Aramco and Its World: Arabia and the Middle East. Aramco.
Atenció: Aquestes cites poden no estar 100% correctes.