WEISHAR, J. (1992). Design For Effective Selling Space Joseph Weishar. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)WEISHAR, Joseph. Design For Effective Selling Space Joseph Weishar. McGraw-Hill, 1992.
Lua MLA (8ú heag.)WEISHAR, Joseph. Design For Effective Selling Space Joseph Weishar. McGraw-Hill, 1992.
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