Lua APA (7ú heag.)
Fisher Investments, Azelton, A. M., & Teufel, A. S. (2009). Fisher Investments on energy. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)
Fisher Investments, Aaron M. Azelton, agus Andrew S. Teufel. Fisher Investments on Energy. Hoboken, N.J.: John Wiley & Sons, 2009.
Lua MLA (9ú heag.)
Fisher Investments, et al. Fisher Investments on Energy. John Wiley & Sons, 2009.
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