APA Style
      RTHWELL, NORMAN V. (1979).
    UNDERSTANDING GENETICS EDISI 2 .
    New York:
  OXFORD UNIVERSITY PRESS.
  
Chicago Style
      RTHWELL, NORMAN V.
    UNDERSTANDING GENETICS EDISI 2.
    
    New York:
  OXFORD UNIVERSITY PRESS,
  1979.
  Text.
  
MLA Style
      RTHWELL, NORMAN V.
    UNDERSTANDING GENETICS EDISI 2.
    
    New York:
  OXFORD UNIVERSITY PRESS,
  1979.
  Text.
  
Turabian Style
      RTHWELL, NORMAN V.
    UNDERSTANDING GENETICS EDISI 2.
     
    New York:
  OXFORD UNIVERSITY PRESS,
  1979.
  Print.