APA-referens (7:e uppl.)

Robartson, D. (2001). Writing effectively. Sarupand sons.

Chicago-referens (17:e uppl.)

Robartson, D. Writing Effectively. New Delhi: Sarupand sons, 2001.

MLA-referens (9:e uppl.)

Robartson, D. Writing Effectively. Sarupand sons, 2001.