Não informado. (1890). Engineering Record. Building Record and Sanitary Engineer.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Engineering Record. New York: Building Record and Sanitary Engineer, 1890.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Engineering Record. Building Record and Sanitary Engineer, 1890.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.