Morgan, N. How to become an authentic speaker. Harvard Business Review.
Citazione stile Chigago Style (17a edizione)Morgan, Nick. "How to Become an Authentic Speaker." Harvard Business Review .
Citatione MLA (9a ed.)Morgan, Nick. "How to Become an Authentic Speaker." Harvard Business Review, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.