Tohutoro APA (7th ed.)
Schaarschmidt, U. (1972). The electronic Space Reservation System of the German federal railways.
Tohutoru Kātū Chicago (17th ed.)
Schaarschmidt, Utz. The Electronic Space Reservation System of the German Federal Railways. 1972.
Tohutoro MLA (9th ed.)
Schaarschmidt, Utz. The Electronic Space Reservation System of the German Federal Railways. 1972.
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