OXLADE CHRIS. MAKING MACHINES WITH SPRINGS (2015.). RAINTREE BOOKS PUBLISHING HOUSE.
Chicago-čujuhus (17. p.)OXLADE CHRIS. MAKING MACHINES WITH SPRINGS. 2015. CHICAGO: RAINTREE BOOKS PUBLISHING HOUSE.
MLA-čujuhus (9. p.)OXLADE CHRIS. MAKING MACHINES WITH SPRINGS. 2015. RAINTREE BOOKS PUBLISHING HOUSE.
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