Não informado. (1912). Proceedings of the Annual Convention of the American Railway Engineering Association. American Railway Engineering Association.
Čikaški stil citiranja (17. izdanje)Não informado. Proceedings of the Annual Convention of the American Railway Engineering Association. Chicago, Ill: American Railway Engineering Association, 1912.
MLA način citiranja (8. izdanje)Não informado. Proceedings of the Annual Convention of the American Railway Engineering Association. American Railway Engineering Association, 1912.
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