Gaya APA
      Hunger, J, D., L.Wheelen, T. (2008).
    Essentials of Strategic Management (4th edition).
    Taiwan:
  Pearson Prentice Hall.
  
Gaya MLA
      Hunger, J., David., L.Wheelen, Thomas.
    "Essentials of Strategic Management".
    4th edition
    Taiwan:
  Pearson Prentice Hall,
  2008.
  Text.