Lua APA (7ú heag.)
Hybels, S. (1989). Communicating effectively (3rd ed.). Random House.
Lua i Stíl Chicago (17ú heag.)
Hybels, Saundra. Communicating Effectively. 3rd ed. New York: Random House, 1989.
Lua MLA (9ú heag.)
Hybels, Saundra. Communicating Effectively. 3rd ed. Random House, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.