Seatrade Publications. (1978). Arab shipping 1978. Seatrade Publications.
Cita Chicago (17th ed.)Seatrade Publications. Arab Shipping 1978. Colchester: Seatrade Publications, 1978.
Cita MLA (9th ed.)Seatrade Publications. Arab Shipping 1978. Seatrade Publications, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.