APA Style
      Otto, Catherine M.. (2009).
    Textbook of clinical echocardiography (4th ed.).
    Philadelphia:
  Saunders Elsesevier.
  
Chicago Style
      Otto, Catherine M..
    Textbook of clinical echocardiography.
    4th ed.
    Philadelphia:
  Saunders Elsesevier,
  2009.
  Buku Teks.
  
MLA Style
      Otto, Catherine M..
    Textbook of clinical echocardiography.
    4th ed.
    Philadelphia:
  Saunders Elsesevier,
  2009.
  Buku Teks.
  
Turabian Style
      Otto, Catherine M..
    Textbook of clinical echocardiography.
    4th ed. 
    Philadelphia:
  Saunders Elsesevier,
  2009.
  Buku Teks.