(1992). Interpreting Communication Research A Case Study Approach Lawrence R. Frey Carl H. Botan, Paul G. Friedman, Gary L. Kreps. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Interpreting Communication Research A Case Study Approach Lawrence R. Frey Carl H. Botan, Paul G. Friedman, Gary L. Kreps. Prentice Hall, 1992.
Lua MLA (8ú heag.)Interpreting Communication Research A Case Study Approach Lawrence R. Frey Carl H. Botan, Paul G. Friedman, Gary L. Kreps. Prentice Hall, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.