Lua APA (7ú heag.)

Cooper, G. H. (1945). Building construction estimating. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Cooper, George Henderson. Building Construction Estimating. New York: McGraw-Hill, 1945.

Lua MLA (9ú heag.)

Cooper, George Henderson. Building Construction Estimating. McGraw-Hill, 1945.

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