Gaya APA
      Concept Development In Nursing. (1993).
    Philadelphia:
  W.B Saunders Company.
  
Gaya Chicago
      Concept Development In Nursing.
    .
    Philadelphia:
  W.B Saunders Company,
  1993.
  Ebook.
  
Gaya MLA
      Concept Development In Nursing.
    .
    Philadelphia:
  W.B Saunders Company,
  1993.
  Ebook.
  
Gaya Turabian
      Concept Development In Nursing.
    Philadelphia:
  W.B Saunders Company,
  1993.
  Ebook.