Spencer, S. (2008). ZBrush character creation: Advanced digital sculpting. Wiley Publishing.
Chicago-referens (17:e uppl.)Spencer, Scott. ZBrush Character Creation: Advanced Digital Sculpting. Indianapolis, Ind.: Wiley Publishing, 2008.
MLA-referens (9:e uppl.)Spencer, Scott. ZBrush Character Creation: Advanced Digital Sculpting. Wiley Publishing, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.