HANNAH JOHN. (1999). MECHANICS OF MACHINES (4TH.). VIVA BOOKS PVT.LTD.
Lua i Stíl Chicago (17ú heag.)HANNAH JOHN. MECHANICS OF MACHINES. 4TH. NEW DELHI: VIVA BOOKS PVT.LTD, 1999.
Lua MLA (9ú heag.)HANNAH JOHN. MECHANICS OF MACHINES. 4TH. VIVA BOOKS PVT.LTD, 1999.
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