APA

Evans T., . (1997). 10 minutes guide to MTNL. New Delhi: Prentice hall of India private limited.

Chicago

Evans Tim, . 1997. 10 minutes guide to MTNL. New Delhi: Prentice hall of India private limited.

Harvard

Evans T., . (1997). 10 minutes guide to MTNL. New Delhi: Prentice hall of India private limited.

MLA

Evans Tim, . 10 minutes guide to MTNL. New Delhi: Prentice hall of India private limited. 1997.