KOPLAR, R. (1993). Architectural Studies A Step-by-step Guide To Rendering And Drawing Techniques Richard Koplar. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)KOPLAR, Richard. Architectural Studies A Step-by-step Guide To Rendering And Drawing Techniques Richard Koplar. McGraw-Hill, 1993.
MLA način citiranja (8. izdanje)KOPLAR, Richard. Architectural Studies A Step-by-step Guide To Rendering And Drawing Techniques Richard Koplar. McGraw-Hill, 1993.
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