Arntz, H. (1967). Germany in an nutshell: Helmut Arntz. Publ. by the Press and Information Office of the Federal Government of Germany (6. ed., revised & enlarged.). Steiner.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArntz, Helmut. Germany in an Nutshell: Helmut Arntz. Publ. by the Press and Information Office of the Federal Government of Germany. 6. ed., revised & enlarged. Wiesbaden: Steiner, 1967.
एमएलए (8वां संस्करण) प्रशस्ति पत्रArntz, Helmut. Germany in an Nutshell: Helmut Arntz. Publ. by the Press and Information Office of the Federal Government of Germany. 6. ed., revised & enlarged. Steiner, 1967.
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