APA način citiranja

Hien, X. T. T. A Study on Expressions of Politeness Strategies in Barack Obama's 27 Greatest Speeches Introduced in the Book "We Are the Change We Seek: The Speeches of Brack Obama".

Čikaški stil citiranja

Hien, Xa Thi Thu. A Study On Expressions of Politeness Strategies in Barack Obama's 27 Greatest Speeches Introduced in the Book "We Are the Change We Seek: The Speeches of Brack Obama".

MLA način citiranja

Hien, Xa Thi Thu. A Study On Expressions of Politeness Strategies in Barack Obama's 27 Greatest Speeches Introduced in the Book "We Are the Change We Seek: The Speeches of Brack Obama".