Dickason, A. (1950). The calculation of sheet metal work for students and craftsmen. Pitman.
Lua i Stíl Chicago (17ú heag.)Dickason, A. The Calculation of Sheet Metal Work for Students and Craftsmen. Lond.: Pitman, 1950.
Lua MLA (8ú heag.)Dickason, A. The Calculation of Sheet Metal Work for Students and Craftsmen. Pitman, 1950.
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