Anderson, J. A. (1891). The train wire: A discussion of the science of train dispatching (2d ed., rev. and enl.). Railroad Gazette.
Lua i Stíl Chicago (17ú heag.)Anderson, J. A. The Train Wire: A Discussion of the Science of Train Dispatching. 2d ed., rev. and enl. New York: Railroad Gazette, 1891.
Lua MLA (8ú heag.)Anderson, J. A. The Train Wire: A Discussion of the Science of Train Dispatching. 2d ed., rev. and enl. Railroad Gazette, 1891.
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