De Gamo, E. P. (1962). Materials and processes in manufacturing (4th ed.). MacMillan Publishing Company.
Lua i Stíl Chicago (17ú heag.)De Gamo, E. Paul. Materials and Processes in Manufacturing. 4th ed. New York: MacMillan Publishing Company, 1962.
Lua MLA (9ú heag.)De Gamo, E. Paul. Materials and Processes in Manufacturing. 4th ed. MacMillan Publishing Company, 1962.
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