APA Style
      Rana, M. S., Rana, M. P. S.. (1981).
    Questions and Answers in O-level Commerce (for East Africa) (1).
    London:
  Pitman Education, Ltd..
  
Chicago Style
      Rana, M. S., Rana, M. P. S..
    Questions and Answers in O-level Commerce (for East Africa).
    1
    London:
  Pitman Education, Ltd.,
  1981.
  Text.
  
MLA Style
      Rana, M. S., Rana, M. P. S..
    Questions and Answers in O-level Commerce (for East Africa).
    1
    London:
  Pitman Education, Ltd.,
  1981.
  Text.
  
Turabian Style
      Rana, M. S., Rana, M. P. S..
    Questions and Answers in O-level Commerce (for East Africa).
    1 
    London:
  Pitman Education, Ltd.,
  1981.
  Print.