TRELLIS, A. (1998). Documents, contracts, and worksheets for home builders. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)TRELLIS, Al. Documents, Contracts, and Worksheets for Home Builders. New York: McGraw-Hill, 1998.
Lua MLA (9ú heag.)TRELLIS, Al. Documents, Contracts, and Worksheets for Home Builders. McGraw-Hill, 1998.
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