edited by Nick L. Smith
Sage, 1982
Buku Teks
Muhammad Sukirlan, author
Graha Ilmu, 2017
Buku Teks
Rogers, Everett M., author
The Free Press, 1973
Buku Teks
Rubin, Rebecca B., author
Wadsworth, 1999
Buku Teks
Stevenson, Susan, author
John Wiley & Sons, 2003
Buku Teks