OLES, P. S. (1988). Drawing The Future. Van Nostrand Reinhold Company.
Lua i Stíl Chicago (17ú heag.)OLES, Paul Stevenson. Drawing The Future. Van Nostrand Reinhold Company, 1988.
Lua MLA (8ú heag.)OLES, Paul Stevenson. Drawing The Future. Van Nostrand Reinhold Company, 1988.
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