Alan J Whiticker. Speeches That Changed The World. Jaico Publishing House.
Citazione stile Chigago Style (17a edizione)Alan J Whiticker. Speeches That Changed The World. Jaico Publishing House.
Citatione MLA (9a ed.)Alan J Whiticker. Speeches That Changed The World. Jaico Publishing House.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.