Gaya APA
      charles G. Salmon, John E. Johnson. (1980).
    Steel Structures: Design and Behavior (2).
    Newyork:
  The Maple Press Company.
  
Gaya Chicago
      charles G. Salmon, John E. Johnson.
    Steel Structures: Design and Behavior.
    2
    Newyork:
  The Maple Press Company,
  1980.
  Text.
  
Gaya MLA
      charles G. Salmon, John E. Johnson.
    Steel Structures: Design and Behavior.
    2
    Newyork:
  The Maple Press Company,
  1980.
  Text.
  
Gaya Turabian
      charles G. Salmon, John E. Johnson.
    Steel Structures: Design and Behavior.
    2 
    Newyork:
  The Maple Press Company,
  1980.
  Print.