Hansen, D. A., & Parsons, J. H. j. a. (1968). Mass communication: A research bibliography. Glendessary Press.
Lua i Stíl Chicago (17ú heag.)Hansen, Donald A., agus J. Herschel joint auth Parsons. Mass Communication: A Research Bibliography. [Santa Barbara, Calif: Glendessary Press, 1968.
Lua MLA (9ú heag.)Hansen, Donald A., agus J. Herschel joint auth Parsons. Mass Communication: A Research Bibliography. Glendessary Press, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.