APA (7e ed.) Bronvermelding

Buffett, M., & Clark, D. (2012). Warren Buffett's Management Secrets: Proven Tools for Personal and Business Success. Simon & Schuster UK Ltd.

Chicago (17e ed.) Bronvermelding

Buffett, Mary, en David Clark. Warren Buffett's Management Secrets: Proven Tools for Personal and Business Success. London: Simon & Schuster UK Ltd, 2012.

MLA (9e ed.) Bronvermelding

Buffett, Mary, en David Clark. Warren Buffett's Management Secrets: Proven Tools for Personal and Business Success. Simon & Schuster UK Ltd, 2012.