Gaya APA
      Gagne, R, M. (1985).
    The Conditions Of Learning And Theory Of Instruction (Cetakan IV).
    New York:
  CBS College Publishing.
  
Gaya MLA
      Gagne, Robert, M..
    "The Conditions Of Learning And Theory Of Instruction".
    Cetakan IV
    New York:
  CBS College Publishing,
  1985.
  .