Groeg, O. J. (1976). Who's who in Germany: A biographical encyclopedia containing some 23000 biographies of prominent personalities in Germany and a listing of 2400 organizations (6th ed.). Ottobrunn: Who's Who.
Chicago Style CitationGroeg, O. J. Who's Who in Germany: A Biographical Encyclopedia Containing Some 23000 Biographies of Prominent Personalities in Germany and a Listing of 2400 Organizations. 6th ed. Ottobrunn: Who's Who, 1976.
MLA CitationGroeg, O. J. Who's Who in Germany: A Biographical Encyclopedia Containing Some 23000 Biographies of Prominent Personalities in Germany and a Listing of 2400 Organizations. 6th ed. Ottobrunn: Who's Who, 1976.
Warning: These citations may not always be 100% accurate.