Riehle, T., & Knapp, G. (2015). Rheinbrücken: Rhine bridges. Stuttgart ; London: Edition Axel Menges.
Čikaški stil citiranjaRiehle, Tomas, i Gottfried Knapp. Rheinbrücken: Rhine Bridges. Stuttgart ; London: Edition Axel Menges, 2015.
MLA način citiranjaRiehle, Tomas, i Gottfried Knapp. Rheinbrücken: Rhine Bridges. Stuttgart ; London: Edition Axel Menges, 2015.
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