APA

Perry Greg,, . (1999). Teach yourself microsoft office 2000 in 24 hours. New Delhi: Techmedia.

Chicago

Perry Greg,, . 1999. Teach yourself microsoft office 2000 in 24 hours. New Delhi: Techmedia.

Harvard

Perry Greg,, . (1999). Teach yourself microsoft office 2000 in 24 hours. New Delhi: Techmedia.

MLA

Perry Greg,, . Teach yourself microsoft office 2000 in 24 hours. New Delhi: Techmedia. 1999.