STEWART, J. (1977). Bridges not walls: A book about interpersonalcommunication. -- 2nd ed. Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)STEWART, John. Bridges Not Walls: A Book About Interpersonalcommunication. -- 2nd Ed. Reading: Addison-Wesley, 1977.
Lua MLA (9ú heag.)STEWART, John. Bridges Not Walls: A Book About Interpersonalcommunication. -- 2nd Ed. Addison-Wesley, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.