APA (7th ed.) Citation

(2006). Duden Lernsoftware Mathematik 1. DUDEN PAETEC.

Chicago Style (17th ed.) Citation

Duden Lernsoftware Mathematik 1. Berlin: DUDEN PAETEC, 2006.

MLA (9th ed.) Citation

Duden Lernsoftware Mathematik 1. DUDEN PAETEC, 2006.

Warning: These citations may not always be 100% accurate.