Bowen, V. E. (1986). The Prussian and German Iron Cross. Iron Cross Research Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBowen, V. E. The Prussian and German Iron Cross. [Germany?]: Iron Cross Research Publications, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBowen, V. E. The Prussian and German Iron Cross. Iron Cross Research Publications, 1986.
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