Wilkinson Bros LTD. (1887). The Handy Shipping Guide: The sea, road and air freight weekly. Proprietos Wilkinson Bros LTD.
Citazione stile Chigago Style (17a edizione)Wilkinson Bros LTD. The Handy Shipping Guide: The Sea, Road and Air Freight Weekly. London: Proprietos Wilkinson Bros LTD, 1887.
Citatione MLA (9a ed.)Wilkinson Bros LTD. The Handy Shipping Guide: The Sea, Road and Air Freight Weekly. Proprietos Wilkinson Bros LTD, 1887.
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