APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.