Gaya APA

Clark, M, B, D. (1997). Buffettology: the previously unexplained techniques that have made Warren buffett the world's most famous investor . New York: Rawson Associates.

Gaya MLA

Clark, Mary, Buffett;, David. "Buffettology: the previously unexplained techniques that have made Warren buffett the world's most famous investor". New York: Rawson Associates, 1997. Text.