Citace podle APA (7th ed.)

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

Citace podle Chicago (17th ed.)

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

Citace podle MLA (8th ed.)

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

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