Sedniev, A. (2013). Magic of Impromptu Speaking: Create a Speech That Will Be Remembered for Years in Under 30 Seconds. Great Britian: Andrii Sedniev.
Παραπομπή Chicago StyleSedniev, Andrii. Magic of Impromptu Speaking: Create a Speech That Will Be Remembered for Years in Under 30 Seconds. Great Britian: Andrii Sedniev, 2013.
Παραπομπή MLASedniev, Andrii. Magic of Impromptu Speaking: Create a Speech That Will Be Remembered for Years in Under 30 Seconds. Great Britian: Andrii Sedniev, 2013.
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