APA استشهاد

Roach, P. (1996). Excel in easy step. Comdex computer publishing.

استشهاد بنمط شيكاغو

Roach, Pamela. Excel in Easy Step. New Delhi: Comdex computer publishing, 1996.

MLA استشهاد

Roach, Pamela. Excel in Easy Step. Comdex computer publishing, 1996.