APA-referens (7:e uppl.)

Elms, A. (1991). Wordperfect. Hodder and Stoughton.

Chicago-referens (17:e uppl.)

Elms, Ann. Wordperfect. Kent: Hodder and Stoughton, 1991.

MLA-referens (9:e uppl.)

Elms, Ann. Wordperfect. Hodder and Stoughton, 1991.