edited by Rebecca B. Rubin, Philip Palmgreen and Howard E. Sypher
Lawrence Erlbaum Associates, 2004
Buku Teks
edited by Valerine Manusov
Lawrence Erlbaum Associates, 2005
Buku Teks
John Wiley & Sons Inc, 1999
Buku Teks
Adams, Francis V.
McGraw-Hill, 2007
Buku Teks
compiled and edited by Samuel E. Krug
Metritech, 1993
Buku Referensi