Cookson, W. (1975). Advanced Methods for Sheet Metal Work (6th Rev ed.). Technical press.
Dyfyniad Arddull ChicagoCookson, William. Advanced Methods for Sheet Metal Work. 6th Rev ed. London: Technical press, 1975.
Dyfyniad MLACookson, William. Advanced Methods for Sheet Metal Work. 6th Rev ed. Technical press, 1975.
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