JOHN, K. (2012). MECHANICAL WORKSHOP PRACTICE (2ND.). phi learning.
Chicago-čujuhus (17. p.)JOHN, K.C. MECHANICAL WORKSHOP PRACTICE. 2ND. NEW DELHI: phi learning, 2012.
MLA-čujuhus (9. p.)JOHN, K.C. MECHANICAL WORKSHOP PRACTICE. 2ND. phi learning, 2012.
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