APA Style
      Rosen, Kenneth H. (1991).
    DISCRETE MATHEMATICS AND ITS APPLICATIONS Second Edition (2).
    New York:
  McGraw-Hill.
  
Chicago Style
      Rosen, Kenneth H.
    DISCRETE MATHEMATICS AND ITS APPLICATIONS Second Edition.
    2
    New York:
  McGraw-Hill,
  1991.
  Text.
  
MLA Style
      Rosen, Kenneth H.
    DISCRETE MATHEMATICS AND ITS APPLICATIONS Second Edition.
    2
    New York:
  McGraw-Hill,
  1991.
  Text.
  
Turabian Style
      Rosen, Kenneth H.
    DISCRETE MATHEMATICS AND ITS APPLICATIONS Second Edition.
    2 
    New York:
  McGraw-Hill,
  1991.
  Print.