Koch, R. (1930). The book of signs: Which contains all manner of symbols used from the earliest times to the Middle Ages by primitive peoples and early Christians. Dover Publications.
Chicago-Zitierstil (17. Ausg.)Koch, Rudolf. The Book of Signs: Which Contains All Manner of Symbols Used from the Earliest Times to the Middle Ages by Primitive Peoples and Early Christians. Dover Publications, 1930.
MLA-Zitierstil (9. Ausg.)Koch, Rudolf. The Book of Signs: Which Contains All Manner of Symbols Used from the Earliest Times to the Middle Ages by Primitive Peoples and Early Christians. Dover Publications, 1930.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.