ARENDS, M. (1985). Product Rendering With Markers: Using markers for sketching and rendering Mark Arends. Van Nostrand Reinhold Company.
Lua i Stíl Chicago (17ú heag.)ARENDS, Mark. Product Rendering With Markers: Using Markers for Sketching and Rendering Mark Arends. Van Nostrand Reinhold Company, 1985.
Lua MLA (8ú heag.)ARENDS, Mark. Product Rendering With Markers: Using Markers for Sketching and Rendering Mark Arends. Van Nostrand Reinhold Company, 1985.
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