Gaya APA

Buffett, M., Clark, D. (1997). Buffettology: The Previously Unexplained Techniques That Have Made Warren Buffett the World’s Most Famous Investor . Jakarta: Scribner.

Gaya MLA

Buffett, Mary., Clark, David. "Buffettology: The Previously Unexplained Techniques That Have Made Warren Buffett the World’s Most Famous Investor". Jakarta: Scribner, 1997. Text.