APA (7e ed.) Bronvermelding

Crowder, A. B. (1983). Pugin's Contrasts: Sources for its Technique. architectura.

Chicago (17e ed.) Bronvermelding

Crowder, Ashby Bland. "Pugin's Contrasts: Sources for Its Technique." Architectura 1983.

MLA (8e ed.) Bronvermelding

Crowder, Ashby Bland. "Pugin's Contrasts: Sources for Its Technique." Architectura, 1983.

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