Griffin, E. (2019). A First look at communication theory 10th ed. Mc GrawHill.
Lua i Stíl Chicago (17ú heag.)Griffin, EM. A First Look at Communication Theory 10th Ed. Mc GrawHill, 2019.
Lua MLA (8ú heag.)Griffin, EM. A First Look at Communication Theory 10th Ed. Mc GrawHill, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.