APA Style
      Cooper, Robert G., Edgett, Scott J., Kleinschmidt, Elko J.. (2001).
    Portfolio Management For New Products (Ed.2).
    New York:
  Basic Books.
  
Chicago Style
      Cooper, Robert G., Edgett, Scott J., Kleinschmidt, Elko J..
    Portfolio Management For New Products.
    Ed.2
    New York:
  Basic Books,
  2001.
  Buku Teks.
  
MLA Style
      Cooper, Robert G., Edgett, Scott J., Kleinschmidt, Elko J..
    Portfolio Management For New Products.
    Ed.2
    New York:
  Basic Books,
  2001.
  Buku Teks.
  
Turabian Style
      Cooper, Robert G., Edgett, Scott J., Kleinschmidt, Elko J..
    Portfolio Management For New Products.
    Ed.2 
    New York:
  Basic Books,
  2001.
  Buku Teks.