Melvin L. Betterley. (1961). Sheet metal drafting. Usa: Mcgraw-hill Book Company Inc..
Chicago Style CitationMelvin L. Betterley. Sheet Metal Drafting. Usa: Mcgraw-hill Book Company Inc., 1961.
MLA CitationMelvin L. Betterley. Sheet Metal Drafting. Usa: Mcgraw-hill Book Company Inc., 1961.
Warning: These citations may not always be 100% accurate.