Krains , O. (1974). World And Ideas Of Ernst Freund: Search For Genral Principles Of Legislation And Administrative Law. Univ Of Albama.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrains , Oscar. World And Ideas Of Ernst Freund: Search For Genral Principles Of Legislation And Administrative Law. USA: Univ Of Albama, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKrains , Oscar. World And Ideas Of Ernst Freund: Search For Genral Principles Of Legislation And Administrative Law. Univ Of Albama, 1974.
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