Egon, S.(1987).Idee form and architecture : design principles in contemporary architecture / Egon Schirmbeck .New York:Van Nostrand Reinhold.
Gaya MLA
Schirmbeck, Egon."Idee form and architecture : design principles in contemporary architecture / Egon Schirmbeck".New York:Van Nostrand Reinhold,1987.Textbook.