APA
(2001). Step by stepMicrosoft word version 2002. New Delhi: Prientice-Hall of India.
Chicago
2001. Step by stepMicrosoft word version 2002. New Delhi: Prientice-Hall of India.
Harvard
(2001). Step by stepMicrosoft word version 2002. New Delhi: Prientice-Hall of India.
MLA
Step by stepMicrosoft word version 2002. New Delhi: Prientice-Hall of India. 2001.