APA-čujuhus (7. p.)
Nations, S. (2014). The complete book of option spreads and combinations: Strategies for income generation, directional moves, and risk reduction. Wiley.
Chicago-čujuhus (17. p.)
Nations, Scott. The Complete Book of Option Spreads and Combinations: Strategies for Income Generation, Directional Moves, and Risk Reduction. Hoboken, New Jersey: Wiley, 2014.
MLA-čujuhus (9. p.)
Nations, Scott. The Complete Book of Option Spreads and Combinations: Strategies for Income Generation, Directional Moves, and Risk Reduction. Wiley, 2014.
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