Hovland, Carl I
Yale University Press , 1966
Buku Teks
Pranowo Tri Adhianto, author
2017
UI - Tesis (Membership)
Magnus Bang, editor
[, Springer-Verlag], 2012
eBooks
Roos, Raymon S., author
Prentice-Hall, 1985
Buku Teks
Reardon, Kathleen Kelley
Beverly Hills, 1981
Buku Teks