Barnes, A. W., & Tilbrook, A. W. (1968). The theory and practice for drawing for engineers (1a ed.). UNIBOOKS English Universities Press.
Cita Chicago Style (17a ed.)Barnes, A. W., y A. W. Tilbrook. The Theory and Practice for Drawing for Engineers. 1a ed. London: UNIBOOKS English Universities Press, 1968.
Cita MLA (8a ed.)Barnes, A. W., y A. W. Tilbrook. The Theory and Practice for Drawing for Engineers. 1a ed. UNIBOOKS English Universities Press, 1968.
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