Buffett, M., & Clark, D. (2012). Warren Buffett's Management Secrets: Proven Tools for Personal and Business Success. Simon & Schuster UK Ltd.
Citazione stile Chigago Style (17a edizione)Buffett, Mary, e David Clark. Warren Buffett's Management Secrets: Proven Tools for Personal and Business Success. London: Simon & Schuster UK Ltd, 2012.
Citatione MLA (9a ed.)Buffett, Mary, e David Clark. Warren Buffett's Management Secrets: Proven Tools for Personal and Business Success. Simon & Schuster UK Ltd, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.