ABBOTT, C. (2012). 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. RIDER.
Chicago-Zitierstil (17. Ausg.)ABBOTT, CHRIS. 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. LONDON: RIDER, 2012.
MLA-Zitierstil (9. Ausg.)ABBOTT, CHRIS. 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. RIDER, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.