APA-referens (7:e uppl.)
Nations, S. (2014). The complete book of option spreads and combinations: Strategies for income generation, directional moves, and risk reduction. Wiley.
Chicago-referens (17:e uppl.)
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-referens (9:e uppl.)
Nations, Scott. The Complete Book of Option Spreads and Combinations: Strategies for Income Generation, Directional Moves, and Risk Reduction. Wiley, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.