Smith, C. (2008). Option strategies: Profit-making techniques for stock, stock index, and commodity options (3rd ed.). John Wiley.

Smith, Courtney. Option Strategies: Profit-making Techniques for Stock, Stock Index, and Commodity Options. 3rd ed. Hoboken, N.J.: John Wiley, 2008.

Smith, Courtney. Option Strategies: Profit-making Techniques for Stock, Stock Index, and Commodity Options. 3rd ed. John Wiley, 2008.