Gaya APA
      Ahmad, M. (2001).
    Etika bisnis dalam islam = business ethic in islam (Cetakan pertama).
    Pakistan:
  The Interational Institute of Islamic Thought.
  
Gaya MLA
      Ahmad, Mustaq.
    "Etika bisnis dalam islam = business ethic in islam".
    Cetakan pertama
    Pakistan:
  The Interational Institute of Islamic Thought,
  2001.
  Text.