Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Haarmann, H. (2005). The challenge of the abstract mind: Symbols, signs and notational systems in European prehistory.

Chicago Citation Edition Citation

Haarmann, Harald. The Challenge of the Abstract Mind: Symbols, Signs and Notational Systems in European Prehistory. 2005.

MLA Citation Edition Citation

Haarmann, Harald. The Challenge of the Abstract Mind: Symbols, Signs and Notational Systems in European Prehistory. 2005.