Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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