BECKWITH THOMAS G.,LIENHARD JO. (2012). MECHANICAL MEASUREMENTS (6TH.). PEARSON EDUCATION.
Lua i Stíl Chicago (17ú heag.)BECKWITH THOMAS G.,LIENHARD JO. MECHANICAL MEASUREMENTS. 6TH. NEW DELHI: PEARSON EDUCATION, 2012.
Lua MLA (9ú heag.)BECKWITH THOMAS G.,LIENHARD JO. MECHANICAL MEASUREMENTS. 6TH. PEARSON EDUCATION, 2012.
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