Gaya APA
      Wong, I, F, H. et al (2006).
    Business Comunication Asian Perspectives,Global Focus (2nd ed).
    Singapore:
  Prentice Hall Pearson Educaton.
  
Gaya MLA
      Wong, Irene, F., H.. et al.
    "Business Comunication Asian Perspectives,Global Focus".
    2nd ed
    Singapore:
  Prentice Hall Pearson Educaton,
  2006.
  Text.