De Jongh, R., & Nikolaev, D. (2010). SketchUp 7.1 for architectural visualization: Beginner's guide : create stunning photo-realistic and artistic visuals of your SketchUp models. Packt Pub..
Chicago-viite (17. p.)De Jongh, Robin, ja Dennis Nikolaev. SketchUp 7.1 for Architectural Visualization: Beginner's Guide : Create Stunning Photo-realistic and Artistic Visuals of Your SketchUp Models. Birmingham, U.K.: Packt Pub., 2010.
MLA-viite (9. p.)De Jongh, Robin, ja Dennis Nikolaev. SketchUp 7.1 for Architectural Visualization: Beginner's Guide : Create Stunning Photo-realistic and Artistic Visuals of Your SketchUp Models. Packt Pub., 2010.
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