APA

Cox j., Preppernau j., . (2012). Microsoft office word 2007 step by step. New Delhi: Phi learning private limited.

Chicago

Cox joyce, Preppernau joan, . 2012. Microsoft office word 2007 step by step. New Delhi: Phi learning private limited.

Harvard

Cox j., Preppernau j., . (2012). Microsoft office word 2007 step by step. New Delhi: Phi learning private limited.

MLA

Cox joyce, Preppernau joan, . Microsoft office word 2007 step by step. New Delhi: Phi learning private limited. 2012.