Rostad, K. A., Wiley, & Sarkissian, J. (2013). The man in the arena: Vanguard founder John C. Bogle and his lifelong battle to serve investors first. Wiley.
Lua i Stíl Chicago (17ú heag.)Rostad, Knut A., Wiley, agus Johnson Sarkissian. The Man in the Arena: Vanguard Founder John C. Bogle and His Lifelong Battle to Serve Investors First. Hoboken, New Jersey: Wiley, 2013.
Lua MLA (9ú heag.)Rostad, Knut A., et al. The Man in the Arena: Vanguard Founder John C. Bogle and His Lifelong Battle to Serve Investors First. Wiley, 2013.
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