Ritland, M. (2014). 3D printing with SketchUp: Real-world case studies to help you design models in SketchUp for 3D printing on anything ranging from the smallest desktop machines to the largest industrial 3D printers. Packt Publishing.
Lua i Stíl Chicago (17ú heag.)Ritland, Marcus. 3D Printing with SketchUp: Real-world Case Studies to Help You Design Models in SketchUp for 3D Printing on Anything Ranging from the Smallest Desktop Machines to the Largest Industrial 3D Printers. Birmingham, [England]: Packt Publishing, 2014.
Lua MLA (9ú heag.)Ritland, Marcus. 3D Printing with SketchUp: Real-world Case Studies to Help You Design Models in SketchUp for 3D Printing on Anything Ranging from the Smallest Desktop Machines to the Largest Industrial 3D Printers. Packt Publishing, 2014.