Não informado. (1900). Proceedings of the Annual Convention of the American Railway Engineering and Maintenance-of-Way Association. American Railway Engineering and Maintenance of Way Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Proceedings of the Annual Convention of the American Railway Engineering and Maintenance-of-Way Association. Chicago, Ill: American Railway Engineering and Maintenance of Way Association, 1900.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Proceedings of the Annual Convention of the American Railway Engineering and Maintenance-of-Way Association. American Railway Engineering and Maintenance of Way Association, 1900.
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