Lua APA (7ú heag.)

(1969). Professional Perspective Drawing For Architects And Engineers/friedrich W.capelle. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Professional Perspective Drawing For Architects And Engineers/friedrich W.capelle. McGraw-Hill, 1969.

Lua MLA (8ú heag.)

Professional Perspective Drawing For Architects And Engineers/friedrich W.capelle. McGraw-Hill, 1969.

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