APA (7th ed.) Citation

Não informado. (1937). Concrete for railways. Portland Cement Association.

Chicago Style (17th ed.) Citation

Não informado. Concrete for Railways. Chicago, Ill: Portland Cement Association, 1937.

MLA (8th ed.) Citation

Não informado. Concrete for Railways. Portland Cement Association, 1937.

Warning: These citations may not always be 100% accurate.