Não informado. (1953). Contractors and engineers: Magazine of modern construction. Buttenheim-Dix Publishing.
Chicago (17e ed.) BronvermeldingNão informado. Contractors and Engineers: Magazine of Modern Construction. New York: Buttenheim-Dix Publishing, 1953.
MLA (8e ed.) BronvermeldingNão informado. Contractors and Engineers: Magazine of Modern Construction. Buttenheim-Dix Publishing, 1953.
Let op: Deze citaties zijn niet altijd 100% accuraat.