Mortensen, C. D. (1972). Communication: The study of human interaction. McGraw - Hill.
Lua i Stíl Chicago (17ú heag.)Mortensen, C. David. Communication: The Study of Human Interaction. New York: McGraw - Hill, 1972.
Lua MLA (9ú heag.)Mortensen, C. David. Communication: The Study of Human Interaction. McGraw - Hill, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.