Bell, C. (2014). Maintaining and troubleshooting your 3D printer. Apress.
Čikaški stil citiranja (17. izdanje)Bell, Charles. Maintaining and Troubleshooting Your 3D Printer. Berkeley, CA: Apress, 2014.
MLA način citiranja (8. izdanje)Bell, Charles. Maintaining and Troubleshooting Your 3D Printer. Apress, 2014.
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