Wood, Julia T., 1950-, author
Wadsworth and Cengage Learning, 2012
Buku Teks
PSIKOM Univ Budi Luhur, 2015
Majalah, Jurnal, Buletin
Universitas Budi Luhur,
Majalah, Jurnal, Buletin
Holmes, David, author
Sage, 2005
Buku Teks
Hovland, Carl.I
Yale University Press, 1964
Buku Teks