Lua APA (7ú heag.)

Johnson, E. R., & Van Metre, T. W. (1916). Principles of railroad transportation. D. Appleton.

Lua i Stíl Chicago (17ú heag.)

Johnson, Emory R., agus T. W. Van Metre. Principles of Railroad Transportation. New York: D. Appleton, 1916.

Lua MLA (8ú heag.)

Johnson, Emory R., agus T. W. Van Metre. Principles of Railroad Transportation. D. Appleton, 1916.

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