Seatrade Publications. (1978). Arab shipping 1978. Seatrade Publications.
Tohutoru Kātū Chicago (17th ed.)Seatrade Publications. Arab Shipping 1978. Colchester: Seatrade Publications, 1978.
Tohutoro MLA (9th ed.)Seatrade Publications. Arab Shipping 1978. Seatrade Publications, 1978.
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