Sonder, I. Chaim Heinz Fenchel: His Life and Work in Germany / Ines Sonder. Chaim Heinz Fenchel : a complex puzzle.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSonder, Ines. "Chaim Heinz Fenchel: His Life and Work in Germany / Ines Sonder." Chaim Heinz Fenchel : A Complex Puzzle .
एमएलए (8वां संस्करण) प्रशस्ति पत्रSonder, Ines. "Chaim Heinz Fenchel: His Life and Work in Germany / Ines Sonder." Chaim Heinz Fenchel : A Complex Puzzle, .
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