Hensen, F. (1997). Plastics Extrusion technology (2nd ed.). Hanser.
Čikaški stil citiranjaHensen, Friedhelm. Plastics Extrusion Technology. 2nd ed. Munich: Hanser, 1997.
MLA način citiranjaHensen, Friedhelm. Plastics Extrusion Technology. 2nd ed. Hanser, 1997.
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