Lua APA (7ú heag.)

Howard, C. (1979). Contact: A textbook in apllied communications (3rd.). Prentice Hall.

Lua i Stíl Chicago (17ú heag.)

Howard, C. Contact: A Textbook in Apllied Communications. 3rd. New Jersey: Prentice Hall, 1979.

Lua MLA (9ú heag.)

Howard, C. Contact: A Textbook in Apllied Communications. 3rd. Prentice Hall, 1979.

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