ABBOTT, C. (2012). 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. RIDER.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)ABBOTT, CHRIS. 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. LONDON: RIDER, 2012.
MLA -ийн эшлэл (9 дэх хэвлэлт)ABBOTT, CHRIS. 21 SPEECHES THAT SHAPED OUR WORLD: THE PEOPLE AND IDEAS THAT CHANGED THE WAY WE THINK. RIDER, 2012.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.