Craig, R. (1980). Steam tramps and cargo liners: :1850 -1950. Her majesty's stationery office.
シカゴスタイル引用形Craig, Robin. Steam Tramps and Cargo Liners: :1850 -1950. London: Her majesty's stationery office, 1980.
MLA引用形式Craig, Robin. Steam Tramps and Cargo Liners: :1850 -1950. Her majesty's stationery office, 1980.
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