APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.