APA (7e ed.) Bronvermelding

Não informado. (1890). Engineering Record. Building Record and Sanitary Engineer.

Chicago (17e ed.) Bronvermelding

Não informado. Engineering Record. New York: Building Record and Sanitary Engineer, 1890.

MLA (8e ed.) Bronvermelding

Não informado. Engineering Record. Building Record and Sanitary Engineer, 1890.

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