Citace podle APA

 Krass, P. (2007).  Ignorance, confidence, and filthy rich friends: The business adventures of Mark Twain, chronic speculator and entrepreneur.  John Wiley & Sons.

Styl Chicago

 Krass, Peter.  Ignorance, Confidence, and Filthy Rich Friends: The Business Adventures of Mark Twain, Chronic Speculator and Entrepreneur.  John Wiley & Sons, 2007.

Citace podle MLA

 Krass, Peter.  Ignorance, Confidence, and Filthy Rich Friends: The Business Adventures of Mark Twain, Chronic Speculator and Entrepreneur.  John Wiley & Sons, 2007.

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