Lua APA (7ú heag.)

Farrell, T. J. (1994). Effective telephone skills (2nd ed.). Dryden Press.

Lua i Stíl Chicago (17ú heag.)

Farrell, Thomas J. Effective Telephone Skills. 2nd ed. Fort Worth: Dryden Press, 1994.

Lua MLA (9ú heag.)

Farrell, Thomas J. Effective Telephone Skills. 2nd ed. Dryden Press, 1994.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.