Dyfyniad APA

Craig, R. (1980). Steam tramps and cargo liners: :1850 -1950. Her majesty's stationery office.

Dyfyniad Arddull Chicago

Craig, Robin. Steam Tramps and Cargo Liners: :1850 -1950. London: Her majesty's stationery office, 1980.

Dyfyniad MLA

Craig, Robin. Steam Tramps and Cargo Liners: :1850 -1950. Her majesty's stationery office, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.