APA aipamena

 Buffett, W. (2007).  Warren Buffett speaks: Wit and wisdom from the world’s greatest investor.  John Wiley & Sons.

Chicago Style aipamena

 Buffett, Warren.  Warren Buffett Speaks: Wit and Wisdom From the World’s Greatest Investor.  John Wiley & Sons, 2007.

MLA aipamena

 Buffett, Warren.  Warren Buffett Speaks: Wit and Wisdom From the World’s Greatest Investor.  John Wiley & Sons, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.