Johnston, P. M., & Liebowitz, M. (1977). Basic sheet metal skills. Delmar.
Chicago Style (17th ed.) CitationJohnston, Philip M., and Murray Liebowitz. Basic Sheet Metal Skills. New York: Delmar, 1977.
MLA (9th ed.) CitationJohnston, Philip M., and Murray Liebowitz. Basic Sheet Metal Skills. Delmar, 1977.
Warning: These citations may not always be 100% accurate.