STALLCUP, J. G. (1990). Sign Electrician's Workbook James G. Stallcup. American Technical Publish.
Lua i Stíl Chicago (17ú heag.)STALLCUP, James G. Sign Electrician's Workbook James G. Stallcup. American Technical Publish, 1990.
Lua MLA (8ú heag.)STALLCUP, James G. Sign Electrician's Workbook James G. Stallcup. American Technical Publish, 1990.
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