Angel, E. (2009). Interactive computer graphics: A top-down approach using OpenGL (5th ed.). Pearson/Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Angel, Edward. Interactive Computer Graphics: A Top-down Approach Using OpenGL. 5th ed. Boston: Pearson/Addison-Wesley, 2009.
Lua MLA (8ú heag.)Angel, Edward. Interactive Computer Graphics: A Top-down Approach Using OpenGL. 5th ed. Pearson/Addison-Wesley, 2009.
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