APA (7e ed.) Bronvermelding

Não informado. (1909). Structural Engineer. Institution of Structural Engineers.

Chicago (17e ed.) Bronvermelding

Não informado. Structural Engineer. London: Institution of Structural Engineers, 1909.

MLA (8e ed.) Bronvermelding

Não informado. Structural Engineer. Institution of Structural Engineers, 1909.

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